Added helm chart release to build pipeline and docs on how to use it

[izzy-anon]

Title says it all.

(Note to maintainers: I'd recommend a squish merge, my commit messages aren't the best)

[izzy-anon]

nvm. I retract my PR until I fix that CI build

[hhvrc]

You can convert it to a draft PR, dont need to close it and open a new one

[hhvrc]

Closing stale PR, re-open if needed