WIP multilang posting

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

src/utils/features.ts

@@ -622,6 +622,12 @@ const getInstanceFeatures = (instance: Instance) => {
       // v.software === PLEROMA && gte(v.version, '2.1.0'),
     ]),
 
+    /**
+     * Ability to include multiple language variants for a post.
+     * @see POST /api/v1/statuses
+     */
+    multiLanguage: false, // features.includes('pleroma:multi_language'),
+
     /**
      * Ability to hide notifications from people you don't follow.
      * @see PUT /api/pleroma/notification_settings