[installer]: add explanation for configuring AWS container registry#8322

Merged

roboquat merged 2 commits intomainfrom

sje/installer-s3-ecr

Feb 21, 2022

Commits on Feb 18, 2022

[installer]: add explanation for configuring AWS container registry
Simon Emms
committed
[installer]: add validation for the s3 container registry backing
Simon Emms
committed