BuildSettingsProvider: add support for xros

[Mstrodl]

Short description 📝

Adds support for visionOS

Solution 📦

Added the Platform case and default settings from an xcode project

Implementation 👩‍💻👨‍💻

• [x] Add visionOS platform
• [x] Created an app in Xcode
• [x] Added visionOS as a device/platform
• [x] Copied the new/different build settings into the dict

[pepicrft]

@all-contributors add @Mstrodl for code

[allcontributors[bot]]

@pepicrft

I've put up a pull request to add @Mstrodl! :tada:

[pepicrft]

Thanks @Mstrodl for your contribution 🙏🏼