docs: update README.md to add website (#57)

* docs: Update README.md to website

* docs: Update README.md

Author: shenxianpeng

profile/README.md

@@ -8,7 +8,7 @@
 
 ## Cpp Linter
 
-**Automated linting for your C/C++ code**
+[![Website](https://img.shields.io/static/v1?label=Website&message=cpp-linter.github.io&color=yellow)](https://cpp-linter.github.io/)
 
 ### Get Started