Allow managing instance rules

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

src/utils/features.ts

@@ -203,6 +203,15 @@ const getInstanceFeatures = (instance: Instance) => {
      */
     adminFE: v.software === PLEROMA,
 
+    /**
+     * Ability to manage instance rules by admins.
+     * @see GET /api/v1/pleroma/admin/rules
+     * @see POST /api/v1/pleroma/admin/rules
+     * @see PATCH /api/v1/pleroma/admin/rules/:id
+     * @see DELETE /api/v1/pleroma/admin/rules/:id
+     */
+    adminRules: v.software === PLEROMA && v.build === REBASED && gte(v.version, '2.4.51'),
+
     /**
      * Can display announcements set by admins.
      * @see GET /api/v1/announcements