More redirect fixes

Author: antonpirker

src/middleware.ts

@@ -3686,11 +3686,18 @@ const DEVELOPER_DOCS_REDIRECTS: Redirect[] = [
     from: '/backend/database-migrations/',
     to: '/api-server/application-domains/database-migrations/',
   },
-
   {
     from: '/backend/feature-flags/',
     to: '/api-server/application-domains/feature-flags/',
   },
+  {
+    from: '/backend/feature-flags/flagpole/',
+    to: '/api-server/application-domains/feature-flags/flagpole/',
+  },
+  {
+    from: '/backend/feature-flags/options-backed-features/',
+    to: '/api-server/application-domains/feature-flags/options-backed-features/',
+  },
   {
     from: '/backend/options/',
     to: '/api-server/application-domains/options/',