Add "Support Kiwix" item in options menu (#941)

app/src/main/java/org/kiwix/kiwixmobile/main/MainActivity.java

@@ -878,6 +878,12 @@ public class MainActivity extends BaseActivity implements WebViewCallback,
             REQUEST_HISTORY_ITEM_CHOSEN);
         return true;
 
+      case R.id.menu_support_kiwix:
+        Uri uriSupportKiwix = Uri.parse("https://www.kiwix.org/support");
+        Intent intertSupportKiwix = new Intent(Intent.ACTION_VIEW, uriSupportKiwix);
+        intertSupportKiwix.putExtra(EXTRA_EXTERNAL_LINK, true);
+        openExternalUrl(intertSupportKiwix);
+
       default:
         break;
     }

app/src/main/res/menu/menu_main.xml

@@ -77,4 +77,9 @@
       android:title="@string/menu_settings"
       app:showAsAction="never"/>
 
+  <item
+      android:id="@+id/menu_support_kiwix"
+      android:title="@string/menu_support_kiwix"
+      app:showAsAction="never"/>
+
 </menu>

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

@@ -13,6 +13,7 @@
   <string name="menu_exitfullscreen">Exit full screen</string>
   <string name="menu_read_aloud">Read aloud</string>
   <string name="menu_read_aloud_stop">Stop reading aloud</string>
+  <string name="menu_support_kiwix">Support Kiwix</string>
   <string name="save_media">Save Media</string>
   <string name="save_media_error">An error occurred when trying to save the media!</string>
   <string name="save_media_saved">Saved media as %s to Android/media/org.kiwix…/</string>