Add access levels to pricing page

[AnouckColson]

Where on docs.platform.sh should be changed?

https://docs.platform.sh/administration/pricing.html#switch-plans

What exactly should be updated?

Review the page and clarify which access level is needed to perform which action.

Additional context

No response

[chadwcarlson]

There's quite a few dollar values on this page, where it feels like we could fall back to the proper Marketing pricing page.