diff --git a/book/source/_static/html/img/logo.png b/book/source/_static/html/img/logo.png
index 4d3a395..7060b55 100644
Binary files a/book/source/_static/html/img/logo.png and b/book/source/_static/html/img/logo.png differ
diff --git a/book/source/_static/html/img/logo.svg b/book/source/_static/html/img/logo.svg
index b888225..bc31b55 100644
--- a/book/source/_static/html/img/logo.svg
+++ b/book/source/_static/html/img/logo.svg
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <svg
-   viewBox="0 0 289.7142 162.06558"
+   viewBox="72 -5 170 170"
    version="1.1"
    id="svg1"
-   sodipodi:docname="diag_library_draft.svg"
-   inkscape:version="1.3 (0e150ed6c4, 2023-07-21)"
-   width="289.7142"
-   height="162.06558"
+   sodipodi:docname="logo.svg"
+   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25)"
+   width="170"
+   height="170"
    xml:space="preserve"
    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
@@ -64,57 +64,60 @@
      inkscape:pagecheckerboard="0"
      inkscape:deskcolor="#d1d1d1"
      inkscape:lockguides="false"
-     inkscape:zoom="2"
-     inkscape:cx="2755.25"
-     inkscape:cy="-1707.25"
+     inkscape:zoom="1.8101934"
+     inkscape:cx="442.21795"
+     inkscape:cy="-63.805339"
      inkscape:window-width="2560"
-     inkscape:window-height="1371"
+     inkscape:window-height="1415"
      inkscape:window-x="0"
-     inkscape:window-y="314"
+     inkscape:window-y="0"
      inkscape:window-maximized="1"
      inkscape:current-layer="layer31"
      showgrid="false"
      inkscape:export-bgcolor="#ffffff00"
      showguides="true"><sodipodi:guide
-       position="1616.9091,-4157.0443"
+       position="1616.9091,-4149.1099"
        orientation="0,-1"
        id="guide360"
        inkscape:locked="false" /><sodipodi:guide
-       position="1460.6512,-3971.6491"
+       position="1460.6512,-3963.7147"
        orientation="0,659.35662"
        id="guide361"
        inkscape:locked="false" /><sodipodi:guide
-       position="2281.0798,265.43069"
+       position="2281.0798,273.36511"
        orientation="943.88005,0"
        id="guide362"
        inkscape:locked="false" /><sodipodi:guide
-       position="2120.0079,-4915.5291"
+       position="2120.0079,-4907.5948"
        orientation="0,-659.35662"
        id="guide363"
        inkscape:locked="false" /><sodipodi:guide
-       position="1460.6512,-4915.5291"
+       position="1460.6512,-4907.5948"
        orientation="-943.88005,0"
        id="guide364"
        inkscape:locked="false" /><sodipodi:guide
-       position="1460.6512,-3971.6491"
+       position="1460.6512,-3963.7147"
        orientation="0,659.35662"
        id="guide365"
        inkscape:locked="false" /><sodipodi:guide
-       position="2120.0079,-4915.5291"
+       position="2120.0079,-4907.5948"
        orientation="0,-659.35662"
        id="guide367"
        inkscape:locked="false" /><sodipodi:guide
-       position="1460.6512,-4915.5291"
+       position="1460.6512,-4907.5948"
        orientation="-943.88005,0"
        id="guide368"
        inkscape:locked="false" /><inkscape:page
-       x="6.7782037e-07"
-       y="-1.4691306e-05"
-       width="289.7142"
-       height="162.06558"
+       x="4.1775389"
+       y="35.996181"
+       width="160.08543"
+       height="103.21368"
        id="page94"
        margin="0"
-       bleed="0" /></sodipodi:namedview><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
+       bleed="0"
+       inkscape:export-filename="logo.png"
+       inkscape:export-xdpi="102.31203"
+       inkscape:export-ydpi="102.31203" /></sodipodi:namedview><!--! Font Awesome Pro 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><g
      inkscape:groupmode="layer"
      id="layer18"
      inkscape:label="Chapter 6"
@@ -122,16 +125,17 @@
      transform="translate(-864.87878,2550.6205)"><g
        inkscape:groupmode="layer"
        id="layer31"
-       inkscape:label="OpenPGP signature packet"><path
-         id="path2-1-4-5-1-7-1"
-         style="display:inline;mix-blend-mode:multiply;fill:url(#pattern180);fill-opacity:1;stroke:none;stroke-width:5.8655;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1"
-         inkscape:label="Publickey ((Asym))"
-         d="m 1066.5807,-2416.4209 c 18.627,0.4549 34.0958,-14.2763 34.5508,-32.9033 0.4549,-18.627 -14.2763,-34.0964 -32.9033,-34.5513 -13.0896,-0.3198 -24.6829,7.9128 -30.5393,18.6737 l -0.02,0.6846 c -5.8504,-0.083 -12.9906,-0.3268 -19.4381,-0.4843 l -6.5249,4.132 -8.0925,-4.489 -8.29796,3.9224 -6.10817,-0.1492 -6.38326,-4.281 -10.01748,3.8804 -9.07911,-4.3467 -12.70174,13.9931 12.00349,14.5971 73.79643,1.8024 -0.01,0.2382 c 5.2187,11.3157 16.4642,18.9558 29.7626,19.2806 z m 16.2144,-25.7678 a 7.1906559,7.1906559 0 0 1 -7.0131,-7.3643 7.1906559,7.1906559 0 0 1 7.3642,-7.013 7.1906559,7.1906559 0 0 1 7.0131,7.3642 7.1906559,7.1906559 0 0 1 -7.3642,7.0131 z" /><path
-         id="path2-1-4-5-8"
-         style="display:inline;mix-blend-mode:multiply;fill:none;fill-opacity:1;stroke:#006961;stroke-width:10.4431;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1"
-         d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
-         inkscape:label="Publickey ((Asym))"
-         sodipodi:nodetypes="cssscccccccccccccccsssss"
-         transform="matrix(0.56166813,0,0,-0.56166813,920.16065,-2071.6917)"
-         inkscape:path-effect="#path-effect32-1-0-4-9"
-         inkscape:original-d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z" /></g></g></svg>
+       inkscape:label="OpenPGP signature packet"><g
+         id="g1"><path
+           id="path2-1-4-5-1-7-1"
+           style="display:inline;mix-blend-mode:multiply;fill:url(#pattern180);fill-opacity:1;stroke:none;stroke-width:5.8655;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1"
+           inkscape:label="Publickey ((Asym))"
+           d="m 1066.5807,-2416.4209 c 18.627,0.4549 34.0958,-14.2763 34.5508,-32.9033 0.4549,-18.627 -14.2763,-34.0964 -32.9033,-34.5513 -13.0896,-0.3198 -24.6829,7.9128 -30.5393,18.6737 l -0.02,0.6846 c -5.8504,-0.083 -12.9906,-0.3268 -19.4381,-0.4843 l -6.5249,4.132 -8.0925,-4.489 -8.29796,3.9224 -6.10817,-0.1492 -6.38326,-4.281 -10.01748,3.8804 -9.07911,-4.3467 -12.70174,13.9931 12.00349,14.5971 73.79643,1.8024 -0.01,0.2382 c 5.2187,11.3157 16.4642,18.9558 29.7626,19.2806 z m 16.2144,-25.7678 a 7.1906559,7.1906559 0 0 1 -7.0131,-7.3643 7.1906559,7.1906559 0 0 1 7.3642,-7.013 7.1906559,7.1906559 0 0 1 7.0131,7.3642 7.1906559,7.1906559 0 0 1 -7.3642,7.0131 z" /><path
+           id="path2-1-4-5-8"
+           style="display:inline;mix-blend-mode:multiply;fill:none;fill-opacity:1;stroke:#006961;stroke-width:10.4431;stroke-linecap:round;stroke-dasharray:none;stroke-opacity:1"
+           d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z"
+           inkscape:label="Publickey ((Asym))"
+           sodipodi:nodetypes="cssscccccccccccccccsssss"
+           transform="matrix(0.56166813,0,0,-0.56166813,920.16065,-2071.6917)"
+           inkscape:path-effect="#path-effect32-1-0-4-9"
+           inkscape:original-d="m 156.30312,759.25868 c -9.78054,19.91382 -30.12868,33.02384 -53.81237,33.02384 -33.173715,0 -60.066326,-26.89261 -60.066326,-60.06633 0,-33.17372 26.892611,-60.06633 60.066326,-60.06633 23.31181,0 43.58824,15.15712 53.54415,34.5646 m -9.14624,1.20213 h 4.97796 c 10.89491,0.20296 25.86265,0 38.79397,0 l 11.43353,7.63836 14.59897,-7.63836 14.59896,7.3422 h 10.87817 l 11.54761,-7.3422 17.66083,7.3422 16.34856,-7.34219 22,25.45886 -22,25.45887 h -135.8606 -4.97796 M 89.058073,732.21619 c -4e-6,6.98969 -5.666271,12.65596 -12.655965,12.65596 -6.989695,0 -12.655963,-5.66627 -12.655967,-12.65596 -2e-6,-6.9897 5.666268,-12.65597 12.655967,-12.65597 6.989698,0 12.655967,5.66627 12.655965,12.65597 z" /></g></g></g></svg>