Group member add and remove routes.

src/routes/channels/mod.rs

@@ -2,7 +2,9 @@ use rocket::Route;
 
 mod delete_channel;
 mod fetch_channel;
+mod group_add_member;
 mod group_create;
+mod group_remove_member;
 mod message_delete;
 mod message_edit;
 mod message_fetch;
@@ -18,6 +20,8 @@ pub fn routes() -> Vec<Route> {
         message_fetch::req,
         message_edit::req,
         message_delete::req,
-        group_create::req
+        group_create::req,
+        group_add_member::req,
+        group_remove_member::req
     ]
 }