Cheatsheet request: JJ (Jujutsu)

[403-html]

Please add a Jujutsu (jj) cheatsheet, as jj is a Git-compatible VCS gaining adoption for its simpler and safer workflow.

[eternalcode0]

https://github.com/jj-vcs/jj
https://docs.jj-vcs.dev/latest/cli-reference/