fix: redirects (#465)

Author: goosewin

fern/docs.yml

@@ -797,9 +797,9 @@ redirects:
     destination: /quickstart
   - source: /assistants
     destination: /api-reference/assistants/create
-  - source: /examples/voice-widget.mdx
+  - source: /examples/voice-widget
     destination: /sdk/web
-  - source: /workflows/examples/outbound-sales.mdx
-    destination: /workflows/examples/lead-qualification.mdx
+  - source: /workflows/examples/outbound-sales
+    destination: /workflows/examples/lead-qualification
   - source: /workflows
-    destination: /workflows/quickstart.mdx
+    destination: /workflows/quickstart