feat: upgrade to v3 parser and make improvements for required api keys, examples, etc. (#2496)

Co-authored-by: Sahil Chatiwala <sahilchatiwala@gmail.com>
Co-authored-by: Sahil <sahil@buildwithfern.com>

fern/generators.yml

@@ -1,11 +1,21 @@
 # yaml-language-server: $schema=https://schema.buildwithfern.dev/generators-yml.json
 
+auth-schemes:
+  ApiKeyScheme:
+    header: x-api-key
+    type: string
+    name: x-api-key
+    
 api: 
+  auth: ApiKeyScheme
   specs:
     - openapi: openapi/skyvern_openapi.json
       origin: https://api.skyvern.com/openapi.json
+      overrides: openapi/overrides.yml
       settings: 
         title-as-schema-name: false
+      
+
 groups:
   python-sdk:
     generators: