add godev badge (#66)

README.md

@@ -5,10 +5,11 @@ English | [简体中文](README_zh.md)
 This library contains generic containers and algorithms, it is designed to be STL for Golang.
 
 [![License Apache 2.0](https://img.shields.io/badge/License-Apache_2.0-red.svg)](COPYING)
-[![Python](https://img.shields.io/badge/Language-go1.18+-blue.svg)](https://www.python.org/)
+[![Golang](https://img.shields.io/badge/Language-go1.18+-blue.svg)](https://go.dev/)
 ![Build Status](https://github.com/chen3feng/stl4go/actions/workflows/go.yml/badge.svg)
 [![Coverage Status](https://coveralls.io/repos/github/chen3feng/stl4go/badge.svg?branch=master)](https://coveralls.io/github/chen3feng/stl4go?branch=master)
 [![GoReport](https://goreportcard.com/badge/github.com/securego/gosec)](https://goreportcard.com/report/github.com/chen3feng/stl4go)
+[![Go Reference](https://pkg.go.dev/badge/github.com/chen3feng/stl4go.svg)](https://pkg.go.dev/github.com/chen3feng/stl4go)
 
 This library depends on go generics, which is introduced in 1.18+.
 

README_zh.md

@@ -5,10 +5,11 @@
 本库包含 Go 语言实现的范型容器和算法库，就像 C++ 中的 STL。
 
 [![License Apache 2.0](https://img.shields.io/badge/License-Apache_2.0-red.svg)](COPYING)
-[![Python](https://img.shields.io/badge/Language-go1.18+-blue.svg)](https://www.python.org/)
+[![Golang](https://img.shields.io/badge/Language-go1.18+-blue.svg)](https://go.dev/)
 ![Build Status](https://github.com/chen3feng/stl4go/actions/workflows/go.yml/badge.svg)
 [![Coverage Status](https://coveralls.io/repos/github/chen3feng/stl4go/badge.svg?branch=master)](https://coveralls.io/github/chen3feng/stl4go?branch=master)
 [![GoReport](https://goreportcard.com/badge/github.com/securego/gosec)](https://goreportcard.com/report/github.com/chen3feng/stl4go)
+[![Go Reference](https://pkg.go.dev/badge/github.com/chen3feng/stl4go.svg)](https://pkg.go.dev/github.com/chen3feng/stl4go)
 
 ```go
 import "github.com/chen3feng/stl4go"