add link to https://github.com/n1trux/awesome-sysadmin#code-review

part of https://github.com/Kickball/awesome-selfhosted/issues/127

README.md

@@ -1183,7 +1183,7 @@ See https://github.com/n1trux/awesome-sysadmin#metric--metric-collection
 
 ### Project Management
 
-_See also [Ticketing](#ticketing), [Task management/To-do lists](#task-managementto-do-lists)_
+_See also [Ticketing](#ticketing), [Task management/To-do lists](#task-managementto-do-lists), [awesome-sysadmin/Code Review](https://github.com/n1trux/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#`
 - [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`