Add homeserver info to About page

[Rosy-iso]

Description

Adds a new section in the About page (located within the settings) that fetches and displays information about the user's homeserver.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

[Rosy-iso]

this doesn't seem to work with every homeserver rn, so I'll make it a draft and fix it later