Link to Gitlab repo from readme

Author: yamalight

README.md

@@ -4,6 +4,10 @@
 
 This repository contains code and related materials for [Building products with javascript](https://www.youtube.com/playlist?list=PL_gX69xPLi-ljVdNhspjZUlPmBNjRgD2X) course.
 
+## CI/CD
+
+CI and CD for all the subprojects is done using [Gitlab-CI](https://gitlab.com/yamalight/building-products-with-js).
+
 ## License
 
 [MIT](https://opensource.org/licenses/mit-license)