docs: add links to README badges

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: say8425

README.md

@@ -2,10 +2,10 @@
 
 Custom statusline for Claude Code.
 
-![Claude Code](https://img.shields.io/badge/Claude_Code-D97757?style=flat&logo=claude&logoColor=white)
+[![Claude Code](https://img.shields.io/badge/Claude_Code-D97757?style=flat&logo=claude&logoColor=white)](https://code.claude.com/docs/en/statusline)
 [![npm](https://img.shields.io/npm/v/%40say8425%2Fcc-statusline?logo=npm&logoColor=%23CC3534&color=%23CC3534)](https://www.npmjs.com/package/@say8425/cc-statusline)
-![TypeScript](https://img.shields.io/badge/TypeScript-3178C6?style=flat&logo=typescript&logoColor=white)
-![Bun](https://img.shields.io/badge/Bun-black?style=flat&logo=bun)
+[![TypeScript](https://img.shields.io/badge/TypeScript-3178C6?style=flat&logo=typescript&logoColor=white)](https://www.typescriptlang.org)
+[![Bun](https://img.shields.io/badge/Bun-black?style=flat&logo=bun)](https://bun.sh)
 
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