Display Gitea logo in Readme (#8592)

* readme: add gitea logo

* Update README.md

* Update README.md

* Update README.md

README.md

@@ -1,6 +1,6 @@
 [简体中文](https://github.com/go-gitea/gitea/blob/master/README_ZH.md)
 
-# Gitea - Git with a cup of tea
+<h1> <img src="https://raw.githubusercontent.com/go-gitea/gitea/master/public/img/gitea-192.png" alt="logo" width="30" height="30"> Gitea - Git with a cup of tea</h1>
 
 [![Build Status](https://drone.gitea.io/api/badges/go-gitea/gitea/status.svg)](https://drone.gitea.io/go-gitea/gitea)
 [![Join the Discord chat at https://discord.gg/NsatcWJ](https://img.shields.io/discord/322538954119184384.svg)](https://discord.gg/NsatcWJ)