chore: fix readme

README.md

@@ -1,6 +1,15 @@
 # proc
 
-`proc` annotation syntax:
+`proc` annotation syntax.
+
+[![Go.Dev reference](https://img.shields.io/badge/go.dev-reference-blue?logo=go&logoColor=white)](https://pkg.go.dev/github.com/thinkgos/proc?tab=doc)
+[![codecov](https://codecov.io/gh/thinkgos/proc/branch/main/graph/badge.svg)](https://codecov.io/gh/thinkgos/proc)
+[![Tests](https://github.com/thinkgos/proc/actions/workflows/ci.yml/badge.svg)](https://github.com/thinkgos/proc/actions/workflows/ci.yml)
+[![Go Report Card](https://goreportcard.com/badge/github.com/thinkgos/proc)](https://goreportcard.com/report/github.com/thinkgos/proc)
+[![License](https://img.shields.io/github/license/thinkgos/proc)](https://github.com/thinkgos/proc/raw/main/LICENSE)
+[![Tag](https://img.shields.io/github/v/tag/thinkgos/proc)](https://github.com/thinkgos/proc/tags)
+
+basic syntax:
 
 - `#[ident]`: headless syntax
 - `#[ident(name1=value1,name2=value2)]`: no headless syntax