feat(api): add pull request and wiki API endpoints with OpenAPI generator

- Add gen_openapi binary for generating OpenAPI specification
- Implement comprehensive pull request API endpoints including core operations
- Add pull request reviews, check runs, labels, assignees, and events APIs
- Include pull request status and merge strategy management endpoints
- Add wiki page CRUD operations with revision history and comparison
- Update OpenAPI documentation with Pull Requests and Wiki tags
- Modify workspace find function visibility for external access
- Integrate new API modules into main OpenAPI router configuration

api/routes.rs

@@ -3,8 +3,10 @@ use actix_web::web::scope;
 
 use crate::api::auth;
 use crate::api::issue;
+use crate::api::pr;
 use crate::api::repo;
 use crate::api::user;
+use crate::api::wiki;
 use crate::api::workspace;
 
 pub fn init_routes(cfg: &mut web::ServiceConfig) {
@@ -17,7 +19,12 @@ pub fn init_routes(cfg: &mut web::ServiceConfig) {
             .service(
                 scope("/workspaces/{workspace_name}")
                     .configure(issue::configure)
-                    .service(scope("/repos/{repo_name}").configure(issue::configure_repo_level)),
+                    .service(
+                        scope("/repos/{repo_name}")
+                            .configure(issue::configure_repo_level)
+                            .configure(pr::configure)
+                            .configure(wiki::configure),
+                    ),
             ),
     );
 }