Add Cgit to Software Development - Project Management (#3312)

Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -1842,6 +1842,7 @@ _Related: [Ticketing](#ticketing), [Task Management & To-do Lists](#task-managem
 _See also: [awesome-sysadmin/Code Review](https://github.com/awesome-foss/awesome-sysadmin#code-review)_
 
 - [Bonobo Git Server](https://bonobogitserver.com/) - Set up your own self hosted git server on IIS for Windows. Manage users and have full control over your repositories with a nice user friendly graphical interface. ([Source Code](https://github.com/jakubgarfield/Bonobo-Git-Server)) `MIT` `C#`
+- [Cgit](https://git.zx2c4.com/cgit/about/) - A fast lightweight web interface for git repositories. ([Source Code](https://git.zx2c4.com/cgit/tree/)) `GPL-2.0` `C`
 - [Fossil](https://www.fossil-scm.org/index.html/doc/trunk/www/index.wiki) - Distributed version control system featuring wiki and bug tracker. `BSD-2-Clause-FreeBSD` `C`
 - [Gerrit](https://www.gerritcodereview.com/) - A code review and project management tool for Git based projects. ([Source Code](https://github.com/GerritCodeReview/gerrit)) `Apache-2.0` `Java/Docker`
 - [Gitblit](https://gitblit.github.io/gitblit/) - Pure Java stack for managing, viewing, and serving Git repositories. ([Source Code](https://github.com/gitblit/gitblit)) `Apache-2.0` `Java`