Update iOS page with USBC and further information

[ann0see]

Short description of changes Updates the iOS page with more up to date information. As sideloading isn't really available yet, this hasn't been included.

Context: Fixes an issue? Related issues Related to: #981

Status of this Pull Request Ready for review

What is missing until this pull request can be merged? Review by native speaker

Does this need translation?

YES

Checklist

• [x] I've verified that this Pull Request follows the general code principles
• [x] I waited some time after this Pull Request was opened and all GitHub checks completed without errors.
• [x] I'm sure that this Pull Request goes to the correct branch