dev: external apis (#2806)

* dev: new proxy api setup

* dev: updated endpoints with serializers and structure

* dev: external apis for cycles, modules and inbox
issue

* dev: order by for all the apis

* dev: enable webhooks for external apis

* dev: fields and expand for the apis

* dev: move authentication to proxy middleware

* dev: fix imports

* dev: api serializer updates and paginator

* dev: renamed api to app

* dev: renamed proxy to api

* dev: validation for project, issues, modules and cycles

* dev: remove favourites from project apis

* dev: states api

* dev: rewrite the url endpoints

* dev: exception handling for the apis

* dev: merge updated structure

* dev: remove attachment apis

* dev: issue activities endpoints

apiserver/plane/app/urls/project.py

@@ -169,4 +169,4 @@ urlpatterns = [
         ),
         name="project-deploy-board",
     ),
-]
+]