feat(api): expand API endpoints for repo, PR, user, workspace management

- Add git operation endpoints: archive, compare branches, diff, tree,
  repository extras
- Add repo endpoints: contributors, delete fork, get branch/commit
  status/deploy key/invitation/member/release/tag/webhook, topics,
  release assets, webhook deliveries/retry
- Add PR endpoints: review requests, templates
- Add user endpoints: block/unblock, follow/unfollow, presence,
  personal access tokens, account restore
- Add workspace endpoints: billing history, approvals, domains,
  integrations, invitations, members, webhooks, restore
- Add internal API, notification API, IM API modules
- Update route configuration and OpenAPI spec

api/issue/mod.rs

@@ -36,7 +36,7 @@ use actix_web::web;
 
 pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(
-        web::scope("/issues")
+        web::scope("")
             // Core
             .route("", web::get().to(list::list))
             .route("", web::post().to(create::create))
@@ -144,7 +144,7 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
 
 pub fn configure_repo_level(cfg: &mut web::ServiceConfig) {
     cfg.service(
-        web::scope("/issues")
+        web::scope("")
             .route("/labels", web::get().to(list_labels::list_labels))
             .route("/labels", web::post().to(create_label::create_label))
             .route(