Add OpenSSF Scorecard for README.md

Signed-off-by: fsl <[email protected]>

README.MD

@@ -5,6 +5,7 @@
 
 [![Go Reference](https://pkg.go.dev/badge/github.com/gogf/gf/v2.svg)](https://pkg.go.dev/github.com/gogf/gf/v2)
 [![GoFrame CI](https://github.com/gogf/gf/actions/workflows/ci-main.yml/badge.svg)](https://github.com/gogf/gf/actions/workflows/ci-main.yml)
+[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/gogf/gf/badge)](https://scorecard.dev/viewer/?uri=github.com/gogf/gf)
 [![Go Report Card](https://goreportcard.com/badge/github.com/gogf/gf/v2)](https://goreportcard.com/report/github.com/gogf/gf/v2)
 [![Code Coverage](https://codecov.io/gh/gogf/gf/branch/master/graph/badge.svg)](https://codecov.io/gh/gogf/gf)
 [![Production Ready](https://img.shields.io/badge/production-ready-blue.svg?style=flat)](https://github.com/gogf/gf)