website/docs: add a note about dev environments and read replicas

[tanberry]

This PR adds a Warning about the inability to log back in if you are in a dev environment AND have read replicas configured in your .env file.

• The documentation has been updated
• The documentation has been formatted (make website)

[netlify]

✅ Deploy Preview for authentik-storybook ready!

Name	Link
🔨 Latest commit	5e0802e
🔍 Latest deploy log	https://app.netlify.com/sites/authentik-storybook/deploys/674e15d5ae0cee0008be66ad
😎 Deploy Preview	https://deploy-preview-12247--authentik-storybook.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[netlify]

✅ Deploy Preview for authentik-docs ready!

Name	Link
🔨 Latest commit	5e0802e
🔍 Latest deploy log	https://app.netlify.com/sites/authentik-docs/deploys/674e15d598cead00081a9114
😎 Deploy Preview	https://deploy-preview-12247--authentik-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.61%. Comparing base (a65fb19) to head (5e0802e).
Report is 2 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #12247   +/-   ##
=======================================
  Coverage   92.60%   92.61%           
=======================================
  Files         761      761           
  Lines       38050    38050           
=======================================
+ Hits        35237    35239    +2     
+ Misses       2813     2811    -2     

Flag	Coverage Δ
e2e	49.12% <ø> (ø)
integration	24.83% <ø> (ø)
unit	90.20% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[kensternberg-authentik]

Yep, hit that one myself often enough.