add: ability to convert existing communities into forums

crates/app/src/routes/api/v1/mod.rs

@@ -95,6 +95,10 @@ pub fn routes() -> Router {
             "/communities/{id}/context",
             post(communities::communities::update_context_request),
         )
+        .route(
+            "/communities/{id}/is_forum",
+            post(communities::communities::update_is_forum_request),
+        )
         .route(
             "/communities/{id}/access/read",
             post(communities::communities::update_read_access_request),