Docs: link the best videos from the docs

Problem to solve

Docs as the SSoT for technical content. (&1280 (closed))

Proposal

Collect and select the best/most popular YT videos to link from the docs.

Videos potentially interesting

Official GL YT videos

Link	Title
https://www.youtube.com/watch?v=MqL6BMOySIQ	What is GitLab?
https://www.youtube.com/watch?v=r0sJgjR2f5A	GitLab Namespaces (users, groups and subgroups)
https://www.youtube.com/watch?v=VYOXuOg9tQI	Migrating from GitHub to GitLab
https://www.youtube.com/watch?v=Y2SsnCHJd2w	GitLab Web IDE now open source
https://www.youtube.com/watch?v=P6jD966jzlk	Git Internals - How Git Works - Fear Not The SHA!
https://www.youtube.com/watch?v=InKNIvky2KE	GitLab Flow
https://www.youtube.com/watch?v=CiolDtBIOA0	GitLab issue boards demo
https://www.youtube.com/watch?v=Ce5nz5n41z4	Git-ing started with Git
https://www.youtube.com/watch?v=TviJH6oRboo	Demo: How to use Merge Request Commit Discussions
https://www.youtube.com/watch?v=4Uo_QP9rSGM	GitLab Auto DevOps demo
https://www.youtube.com/watch?v=XbE8IXlfTJg	7-min GitLab Demo
https://www.youtube.com/watch?v=j6HRDquF0mQ	Connecting GitLab.com to your private cloud for AutoDeploy*
https://www.youtube.com/watch?v=9ASHiQ2juYY	GitLab VSM Demo - Issue Boards for Mapping (w/ Cycle Analytics)
https://www.youtube.com/watch?v=cVC8bcV8zsQ	GitLab Agile Project Management Demo
https://www.youtube.com/watch?v=3Wr3O6mY5VE	GitLab vs Jenkins, where is GitLab weaker?
https://www.youtube.com/watch?v=Y6jb_3hV8Po	Demo: create a merge request via email with a patch file
https://www.youtube.com/watch?v=uV3ycYnwhBc	Work on 2 Git branches at the same time
https://www.youtube.com/watch?v=gxn-0KSfNaU	GitLab Developer Kit (GDK) Introduction

* We'll see the power of GitLab when it comes to going cloud-native with Kubernetes. We will spin up a K8s cluster inside of our private cloud on Google Cloud Platform, connect it to a project on GitLab.com and then automatically deploy a simple app into staging and production on Kubernetes.

Videos posted by the community

TBD: link these too?

Subject	Title	Notes
CI	CI/CD with GitLab Runner and Docker-Compose	Tutorial for using GitLab CI/CD with a private GitLab Runner and Docker-Compose
CI	How to run Postman API Tests with Newman in Gitlab CI	A good example of GL CI (running tests), and of using job artifacts.
CI	Continuous Integration with GitLab CI	Very very nice presentation on GL CI/CD
CI	Gitlab CI Pipeline, Artifacts and Environments