Add permanent redirects for RSS feed URLs

Co-Authored-By: Niels Swimberghe <[email protected]>

Author: devin-ai-integration[bot]

fern/docs.yml

@@ -250,6 +250,14 @@ redirects:
     destination: /learn/sdks/generators/ruby/changelog/:slug*
   - source: /learn/sdks/introduction/changelog/php/:slug*   
     destination: /learn/sdks/generators/php/changelog/:slug*
+  
+  # RSS feed redirects
+  - source: /learn/sdks/introduction/changelog/ts.rss
+    destination: /learn/sdks/generators/typescript/changelog.rss
+  - source: /learn/sdks/introduction/changelog/csharp.rss
+    destination: /learn/sdks/generators/csharp/changelog.rss
+  - source: /learn/cli-reference/changelog.rss
+    destination: /learn/cli-api-reference/cli-reference/changelog.rss
 
   # SDK Capabilities - remaining general redirects (after specific overrides above)
   - source: /learn/sdks/capabilities/idiomatic-method-names