docs:update readme

Author: PostCyberPunk

README.md

@@ -1 +1,19 @@
-this extesion will trigger Unity to compile when saved file in VS Code.
+# Unity Auto Compile
+this extesion will trigger Unity to compile when saved a file in VS Code.
+
+### Requirement
+Install this package to your projcet
+
+### Known isssues
+1. You have to force compile once before the auto-compilation works
+2. If there is errors in Unity the auto Compile will stop
+
+### Commands
+Unity Force Compile: unity-auto-compile.compile
+Toggle Unity Compilation :unity-auto-compile.toggle
+
+### Extension Settings
+```
+unity-auto-compile.enabled
+unity-auto-compile.port  //the HTTP port between unity and vscode
+```