link to CI/CD Deep Dive demo for #5800

doc/ci/README.md

@@ -23,6 +23,7 @@ The first steps towards your GitLab CI journey.
   - [Setting up GitLab Runner For Continuous Integration](https://about.gitlab.com/2016/03/01/gitlab-runner-with-docker/)
   - [GitLab CI: Deployment & environments](https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/)
 - **Videos:**
+  - [Demo (Streamed live on Jul 17, 2017): GitLab CI/CD Deep Dive](https://youtu.be/pBe4t1CD8Fc?t=195)
   - [Demo (March, 2017): how to get started using CI/CD with GitLab](https://about.gitlab.com/2017/03/13/ci-cd-demo/)
   - [Webcast (April, 2016): getting started with CI in GitLab](https://about.gitlab.com/2016/04/20/webcast-recording-and-slides-introduction-to-ci-in-gitlab/)
 - **Third-party videos:**