New translations strings.xml (Vietnamese)

app/src/main/res/values-vi/strings.xml

@@ -10,8 +10,10 @@
     <!-- Drawer, Menu, Toolbar, ContextMenu -->
     <!-- More from MainActivity -->
     <!-- Permissions -->
+    <string name="hide_statusbar">Ẩn thanh trạng thái</string>
     <!-- Operability -->
     <!-- Category Titles -->
+    <string name="appearance">Xuất hiện</string>
     <!-- Visuals -->
     <!-- Navigiation Slider -->
     <!-- Themes -->
@@ -23,5 +25,7 @@
     <!-- Chrome custom tabs -->
     <!-- Diaspora Settings -->
     <!-- More -->
+    <string name="about">Trong khoảng</string>
     <!-- License & help (large amount of text) -->
+    <string name="contributors">Những người đóng góp</string>
 </resources>