go doc shield

Author: chanced

README.md

@@ -4,6 +4,8 @@ Package jsonpointer provides the ability to resolve, assign, and delete values
 of any type, including raw JSON, by [JSON
 Pointers](https://datatracker.ietf.org/doc/html/rfc6901).
 
+[![GoDoc](https://img.shields.io/badge/godoc-reference-5272B4.svg?style=flat-square)](https://pkg.go.dev/github.com/chanced/jsonpointer)
+
 ## Motivation
 
 jsonpointer was built to support