[doc] Add banner for gommon by @at15

README.md

@@ -2,7 +2,7 @@
 
 <h1 align="center">
 	<br>
-	<img width="100%" src="doc/media/gommon.png" alt="xephon-b">
+	<img width="100%" src="doc/media/gommon.png" alt="gommon">
 	<br>
 	<br>
 	<br>
@@ -12,7 +12,6 @@
 [![Build Status](https://travis-ci.org/dyweb/gommon.svg?branch=master)](https://travis-ci.org/dyweb/gommon)
 [![codecov](https://codecov.io/gh/dyweb/gommon/branch/master/graph/badge.svg)](https://codecov.io/gh/dyweb/gommon)
 [![Go Report Card](https://goreportcard.com/badge/github.com/dyweb/gommon)](https://goreportcard.com/report/github.com/dyweb/gommon)
-[![codebeat badge](https://codebeat.co/badges/8d42a846-f1dc-4a6b-8bd9-5862726ed35d)](https://codebeat.co/projects/github-com-dyweb-gommon-master)
 [![Sourcegraph](https://sourcegraph.com/github.com/dyweb/gommon/-/badge.svg)](https://sourcegraph.com/github.com/dyweb/gommon?badge)
 [![](https://tokei.rs/b1/github/dyweb/gommon)](https://github.com/dyweb/gommon)
 [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fdyweb%2Fgommon.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fdyweb%2Fgommon?ref=badge_shield)