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README.md

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+[![Documentation](https://godoc.org/github.com/qmuntal/gopc?status.svg)](https://godoc.org/github.com/qmuntal/gopc)
+[![Build Status](https://travis-ci.org/qmuntal/gopc.svg?branch=master)](https://travis-ci.org/qmuntal/gopc)
+[![Go Report Card](https://goreportcard.com/badge/github.com/qmuntal/gopc)](https://goreportcard.com/report/github.com/qmuntal/gopc)
+[![codecov](https://coveralls.io/repos/github/qmuntal/gopc/badge.svg)](https://coveralls.io/github/qmuntal/gopc?branch=master)
+[![codeclimate](https://codeclimate.com/github/qmuntal/gopc/badges/gpa.svg)](https://codeclimate.com/github/qmuntal/gopc)
+[![License](https://img.shields.io/badge/License-BSD%202--Clause-orange.svg)](https://opensource.org/licenses/BSD-2-Clause)
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 # gopc
 The gopc library is an implementation of the Open Packaging Conventions (OPC) for Go