Merge add-vr-pc-environments into development

[0V3RW4TC11]

this forms the input basis for the project and adds vr and pc players.

• clean old files
• remove /.vscode
• add xri example files
• setup unity environment
• added pc and vr environments and prefabs

[The-Spaghetti-Is-Ready]

LGTM 🚀

[0V3RW4TC11]

closing this PR as

• https://github.com/The-Spaghetti-Is-Ready/ICT371-Project/tree/prototype-pc-build
• https://github.com/The-Spaghetti-Is-Ready/ICT371-Project/tree/prototype-vr-build include the changes