Added CI/CD description

README.md

@@ -1773,6 +1773,8 @@ All in one software hosting software.
 
 **[`^        back to top        ^`](#)**
 
+[Continuous integration](https://en.wikipedia.org/wiki/Continuous_integration) and [Continuous deployment](https://en.wikipedia.org/wiki/Continuous_deployment) software and tools.
+
 **Please visit [awesome-sysadmin/Continuous Integration & Continuous Deployment](https://github.com/awesome-foss/awesome-sysadmin#continuous-integration--continuous-deployment)**