chore: update everything to work with utoipa

crates/delta/src/routes/invites/mod.rs

@@ -1,12 +1,22 @@
-use revolt_rocket_okapi::revolt_okapi::openapi3::OpenApi;
 use rocket::Route;
 
 mod invite_delete;
 mod invite_fetch;
 mod invite_join;
 
-pub fn routes() -> (Vec<Route>, OpenApi) {
-    openapi_get_routes_spec![
+#[derive(OpenApi)]
+#[openapi(
+    paths(
+        invite_fetch::fetch,
+        invite_join::join,
+        invite_delete::delete
+    )
+)]
+pub struct ApiDoc;
+
+
+pub fn routes() -> Vec<Route> {
+    routes![
         invite_fetch::fetch,
         invite_join::join,
         invite_delete::delete