fix docs.yml to include langfuse

Author: humford

fern/docs.yml

@@ -349,6 +349,10 @@ navigation:
                 path: providers/cloud/gcp.mdx
               - page: Cloudflare R2
                 path: providers/cloud/cloudflare.mdx
+          - section: Observability
+            contents:
+              - page: Langfuse
+                path: providers/observability/langfuse.mdx
           - page: Voiceflow
             path: providers/voiceflow.mdx
       - section: Security & Privacy
@@ -532,7 +536,7 @@ redirects:
     destination: "/call-forwarding"
   - source: "/prompting_guide"
     destination: "/prompting-guide"
-  - source: /community/videos
-    destination: /community/appointment-scheduling
-  - source: /enterprise
-    destination: /enterprise/plans
+  - source: "/community/videos"
+    destination: "/community/appointment-scheduling"
+  - source: "/enterprise"
+    destination: "/enterprise/plans"