✨ feat: Update .gitignore to exclude additional files

- Add `.cursor` directory to ignore local editor settings
- Add `*.mdc` pattern to ignore generated Markdown content

.gitignore

@@ -11,4 +11,6 @@ web/dist
 one-api
 .DS_Store
 tiktoken_cache
-.eslintcache
+.eslintcache
+.cursor
+*.mdc