Update readme with CI and other badges

README.md

@@ -1,5 +1,7 @@
-
 ![Logo](/GoFakeS3.png)
+[![Build Status](https://github.com/rclone/gofakes3/workflows/build/badge.svg)](https://github.com/rclone/gofakes3/actions?query=workflow%3Abuild)
+[![Go Report Card](https://goreportcard.com/badge/github.com/rclone/gofakes3)](https://goreportcard.com/report/github.com/rclone/gofakes3)
+[![GoDoc](https://pkg.go.dev/badge/github.com/rclone/gofakes3.svg)](https://pkg.go.dev/github.com/rclone/gofakes3)
 
 This is a fork of [johannesboyne/gofakes3](https://github.com/johannesboyne/gofakes3)
 mainly for use implementing the [rclone serves3](https://rclone.org/commands/rclone_serve_s3/) command in