docs: index readme update

Author: sonofmagic

README.md

@@ -2,8 +2,18 @@
 
 A util for mangle tailwindcss
 
-## Repos
+- [tailwindcss-mangle](#tailwindcss-mangle)
+  - [tailwindcss-patch](#tailwindcss-patch)
+  - [unplugin-tailwindcss-mangle](#unplugin-tailwindcss-mangle)
 
-[tailwindcss-patch](./packages/tailwindcss-patch)
+## tailwindcss-patch
 
-[unplugin-tailwindcss-mangle](./packages/unplugin-tailwindcss-mangle)
+`tailwindcss-patch` is a util to patch tailwindcss code and get it's context at runtime.
+
+click [tailwindcss-patch](./packages/tailwindcss-patch) for more details.
+
+## unplugin-tailwindcss-mangle
+
+`unplugin-tailwindcss-mangle` is a plugin for `webpack` and `vite` to **obfuscate** tailwindcss class.
+
+you can enter [unplugin-tailwindcss-mangle](./packages/unplugin-tailwindcss-mangle) for usage and more details.