docs: display raw URLs at bottom, clean email format

Author: moyaspace

README.md

@@ -127,7 +127,7 @@ npm publish                         # publish to npm
 
 ---
 
-**GitHub**: [moyaspace/openspec-superpowers-opencode](https://github.com/moyaspace/openspec-superpowers-opencode)<br>
-**npm**: [@moyaspace/openspec-superpowers-opencode](https://www.npmjs.com/package/@moyaspace/openspec-superpowers-opencode)<br>
-**Author**: rl (robincn@gmail.com)<br>
+**GitHub**: https://github.com/moyaspace/openspec-superpowers-opencode<br>
+**npm**: https://www.npmjs.com/package/@moyaspace/openspec-superpowers-opencode<br>
+**Author**: rl robincn@gmail.com<br>
 **License**: MIT

docs/README.zh.md

@@ -125,7 +125,7 @@ npm publish                         # 发布到 npm
 
 ---
 
-**GitHub**：[moyaspace/openspec-superpowers-opencode](https://github.com/moyaspace/openspec-superpowers-opencode)<br>
-**npm**：[@moyaspace/openspec-superpowers-opencode](https://www.npmjs.com/package/@moyaspace/openspec-superpowers-opencode)<br>
-**作者**：rl (robincn@gmail.com)<br>
+**GitHub**：https://github.com/moyaspace/openspec-superpowers-opencode<br>
+**npm**：https://www.npmjs.com/package/@moyaspace/openspec-superpowers-opencode<br>
+**作者**：rl robincn@gmail.com<br>
 **许可**：MIT