[Site] SurillyaID gets new settings UI

Hi there,

since settings, required for SurillyaID accounts have become a bit much, most have been relocated into a separate, centralized settings page where you can access everything. More pages have been updated to use your Material Theme as well.

Known issues:

• When you update "Basic Information" in your account, like e.g. location, the header will warn you about "No changes detected.", while changes are still applied. I'm looking for a fix.
  

If you notice any issues not mentioned here, I'd appreciate it if you'd either: E-Mail me at contact@Surillya.com, comment on this forum post, mention me as @surillya@social.surillya.com on Mastodon or send me a message to (638) 125-7874 on the MPL (MPL-only).

I appreciate all help and feedback!

xoxo
Lucy