Add docs on common stacks best practices

[strickvl]

Focused on the AWS and GCP sections since for the rest we have a lot of other best practices in the component docs (which those guides already point back to).

Also not quite sure how much of this is redundant.

[htahir1]

Maybe we can do this part of the restructuring but I thought it might make sense to feature this a bit more prominently ? However in general this looks good I’ll take a look tomorrow again

[wjayesh]

in general, it needs more links (i have added some already) and some fixes to the commands. good work thinking about the headings, not much more i would add to that

[htahir1]

I think this is fine for now, lets maybe make it more prominent in the restructuring