Add Tempo (#1604)

Author: maoyama

README.md

@@ -425,6 +425,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [SmartGit](http://www.syntevo.com/smartgit/) - Git client with support.
 * [SourceTree](https://www.sourcetreeapp.com/) - Free Git & Mercurial client for Windows or Mac. ![Freeware][Freeware Icon]
 * [Sublime Merge](https://www.sublimemerge.com/) -  Git client, from the makers of Sublime Text.
+* [Tempo](https://github.com/maoyama/Tempo) - GUI Git client. Replace the Git CLI with a clear UI and AI assist. [![Freeware][Freeware Icon] ![Open-Source Software][OSS Icon]](https://github.com/maoyama/Tempo)
 * [Tower2](https://www.git-tower.com/) - The most powerful Git client for Mac and Windows.
 * [Vershd](https://vershd.io/) - The free for personal use effortless Git GUI, for Windows, Mac, & Linux. ![Freeware][Freeware Icon]
 * [Versions](https://www.versionsapp.com/) - Mac Subversion (SVN) Client.