Update README links (#3)

Signed-off-by: James Hillyerd <[email protected]>

Author: jhillyerd

README.md

@@ -1,7 +1,13 @@
-# gopher-json [![GoDoc](https://godoc.org/layeh.com/gopher-json?status.svg)](https://godoc.org/layeh.com/gopher-json)
+[![Go Reference](https://pkg.go.dev/badge/github.com/inbucket/gopher-json.svg)](https://pkg.go.dev/github.com/inbucket/gopher-json)
+# gopher-json
 
 Package json is a simple JSON encoder/decoder for [gopher-lua](https://github.com/yuin/gopher-lua).
 
+This is a fork of:
+
+- https://github.com/alicebob/gopher-json
+- https://github.com/layeh/gopher-json
+
 ## License
 
 Public domain