[API] Major SurillyaID updates

Hey there,

we've updated a lot in the SurillyaID system, making it more viable and usable as an option. Changes include:

• We've added profile pictures to profiles. Clients can retrieve it using `profile_pic` in the userinfo.php JSON. You can upload your picture on your profile page at https://surillya.com/id/profile.php.
  

Security enhancements:

• We've introduced content headers, so your account is safer from click-jacking etc.
  
• We've introduced fields in forms to safe from bots and validate actions, before applying anything, making your account more secure.
  
• We've redirected certain APIs to private spaces, to circumvent and data-breaches.
  

You can review the changes on your profile page, or create your account now.

Best regards
Surillya