Add badges to readme

Author: g3force

README.md

@@ -1,4 +1,10 @@
-# ssl-status-board
+[![CircleCI](https://circleci.com/gh/RoboCup-SSL/ssl-status-board/tree/master.svg?style=svg)](https://circleci.com/gh/RoboCup-SSL/ssl-status-board/tree/master)
+[![Go Report Card](https://goreportcard.com/badge/github.com/RoboCup-SSL/ssl-status-board?style=flat-square)](https://goreportcard.com/report/github.com/RoboCup-SSL/ssl-status-board)
+[![Go Doc](https://img.shields.io/badge/godoc-reference-blue.svg?style=flat-square)](https://godoc.org/github.com/RoboCup-SSL/ssl-status-board)
+[![Release](https://img.shields.io/github/release/RoboCup-SSL/ssl-status-board.svg?style=flat-square)](https://github.com/RoboCup-SSL/ssl-status-board/releases/latest)
+[![Coverage](https://img.shields.io/badge/coverage-report-blue.svg)](https://circleci.com/api/v1.1/project/github/RoboCup-SSL/ssl-status-board/latest/artifacts/0/coverage?branch=master)
+
+# SSL Status Board
 
 A Status Board for the Small Size League, optimized to show the current game state on a large screen.