Add spacing for FAB below groups

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

@@ -21,6 +21,8 @@
         android:id="@+id/list"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:paddingBottom="80dp"
+        android:clipToPadding="false"
         android:scrollbars="vertical"
         android:visibility="gone" />
 </RelativeLayout>