Point README policy links to the org .github hub.

Use centralized TwexAPI support, security, and contribution policies.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: lanbytes

README.md

@@ -41,7 +41,8 @@ npm pack --dry-run
 - [TwexAPI documentation](https://docs.twexapi.io)
 - [TwexAPI dashboard](https://twexapi.io/dashboard)
 - [TypeScript API map](https://github.com/twexapi-dev/x-api-scraper-typescript/blob/main/api.md)
-- [Contribution guide](CONTRIBUTING.md)
-- [Security policy](SECURITY.md)
+- [Contribution guide](https://github.com/twexapi-dev/.github/blob/main/CONTRIBUTING.md)
+- [Security policy](https://github.com/twexapi-dev/.github/blob/main/SECURITY.md)
+- [Support policy](https://github.com/twexapi-dev/.github/blob/main/SUPPORT.md)
 
 TwexAPI is an independent third-party service. Not affiliated with X Corp. "Twitter" and "X" are trademarks of X Corp.