chore: re-arrange email docs

[jonas-jonas]

Related Issue or Design Document

Checklist

• I have read the contributing guidelines and signed the CLA.
• I have referenced an issue containing the design document if my change introduces a new feature.
• I have read the security policy.
• I confirm that this pull request does not address a security vulnerability.
  If this pull request addresses a security vulnerability,
  I confirm that I got approval (please contact [email protected]) from the maintainers to push the changes.
• I have added tests that prove my fix is effective or that my feature works.
• I have added the necessary documentation within the code base (if appropriate).

Further comments

[vinckr]

love it ❤️

if we use it in other sections of the docs (e.g. ory actions) we can add the "Need more flexibility?" admonition as a _common template so its uniform and easy to update.

but looks good to me to merge as is

[unatasha8]

Looks good to me.