readme: add badges

Author: vbehar

README.md

@@ -1,5 +1,10 @@
 # Octo Pilot
 
+[![Go Report Card](https://goreportcard.com/badge/github.com/dailymotion/octopilot)](https://goreportcard.com/report/github.com/dailymotion/octopilot)
+[![Release Status](https://github.com/dailymotion/octopilot/workflows/release/badge.svg)](https://github.com/dailymotion/octopilot/actions?query=workflow%3Arelease)
+[![Latest Release](https://img.shields.io/github/v/release/dailymotion/octopilot)](https://github.com/dailymotion/octopilot/releases)
+[![Docker Image](https://img.shields.io/badge/docker-dailymotion%2Foctopilot-008bb8.svg)](https://hub.docker.com/r/dailymotion/octopilot/)
+
 **OctoPilot** is a tool designed to help you automate your Gitops workflow, by automatically creating and merging GitHub Pull Requests to update specific content in Git repositories.
 
 It supports updating: