fix: added external folder in urls (#2749)

apiserver/plane/api/urls/external.py

@@ -0,0 +1,25 @@
+from django.urls import path
+
+
+from plane.api.views import UnsplashEndpoint
+from plane.api.views import ReleaseNotesEndpoint
+from plane.api.views import GPTIntegrationEndpoint
+
+
+urlpatterns = [
+    path(
+        "unsplash/",
+        UnsplashEndpoint.as_view(),
+        name="unsplash",
+    ),
+    path(
+        "release-notes/",
+        ReleaseNotesEndpoint.as_view(),
+        name="release-notes",
+    ),
+    path(
+        "workspaces/<str:slug>/projects/<uuid:project_id>/ai-assistant/",
+        GPTIntegrationEndpoint.as_view(),
+        name="importer",
+    ),
+]