Charts moved to amazeeio/charts

[smlx]

Are you okay for me to send a PR updating the README and removing charts from this repo in favour of https://github.com/amazeeio/charts ?

[shreddedbacon]

uselagoon/lagoon#2450

[shreddedbacon]

The charts in this repository should now be considered deprecated. If you still want to prepare the PR, put me as a reviewer.

[smlx]

Sorry @shreddedbacon I barely remember what I was doing yesterday let alone 5+ years ago!