Added BottomAppBar to several fragments, various ui changes

app/src/main/res/layout/activity_main.xml

@@ -20,6 +20,7 @@
         android:id="@+id/navigation_bar"
         android:layout_width="match_parent"
         android:layout_height="56dp"
+        android:visibility="gone"
         app:itemBackground="@color/surfaceToolbar"
         app:labelVisibilityMode="unlabeled"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -27,4 +28,4 @@
         app:layout_constraintStart_toStartOf="parent"
         app:menu="@menu/navigation_menu" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>