Draft: Demo of Web IDE vscode commit flow

• Draft: Add SourceControlSystem (ALL PARTS SPIKE) (gitlab-web-ide!77 - closed)
• Draft: Demo of Web IDE vscode commit flow (!105774 - closed)

What does this MR do and why?

DO NOT MERGE!

This MR is just a demo of the commit flow while I work on polishing and splitting up gitlab-web-ide!77 (closed). Feel free to check this MR out locally to play around with the new Web IDE 😄

Screenshots or screen recordings

20221202_commit_demo

How to set up and validate locally

• Enable vscode_web_ide feature flag.
• yarn install
• Visit "Web IDE" button on a project's home page.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.