🚀: Custom branding improvements

[yannikbloscheck]

Which feature or improvement would you like to request?

I have several ideas how the custom branding options of the webadmin could be further improved.
I personally use the custom branding on my private mail server just for fun. So none of these suggestions are really necessary or urgent for me at all. But maybe those things would also help to increase the attractiveness of Stalwart to some enterprise users.
I don't even know, if it is really possible to do all these things with the UI framework you are using.
So feel free to add whatever from these suggestions you find useful yourself:

• Allow providing a custom title instead of "Stalwart Management"
• Allow providing the url to a custom favicon image
• Allow providing the url to a custom apple-touch-icon image
• Allow providing a custom accent color to use for the primary buttons, checkboxes and toggles instead of the default blue
• Center custom logo on login page instead of having it left aligned:
  

Is your feature request related to a problem?

No response

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