Build for quest

[CesiumBen]

Summary

This PR includes the build settings to package the application for Meta Quest standalone. There is also a new level for building to quest which was added so that other levels can maintain a tethered rift app quality.

Author checklist

• Tutorial for #12
• Has the new tutorial been integrated into the main level? No main level integration needed, a new level was added.
• Has a new section of the readme been added for this tutorial? Yes
• Have you done a full self-review of the code and blueprints? Yes (no blueprint code only settings adjustments)
• Have you tagged a primary reviewer? Yes
• Are there any remaining tasks to do or blocking questions to answer before we can merge this? No

Testing plan

Clone the project and attempt the build steps listed in the tutorial here

Reminders for reviewers

Thank you for taking the time to review this PR. By approving a PR you are taking as much responsibility for these changes as the author. Please keep these points in mind throughout the review process:

• Review and run all parts of the test plan on this branch and verify it matches expectations.
• Review the code and make sure you do not have any remaining questions or concerns. You should understand why this code change fixes the issue and agree that it's the best approach to doing so.
• Review the automated tests and make sure there are no missing tests or edge cases.
• When you feel this is ready bump it to a second reviewer or merge.

[CesiumBen]

Thanks @xuelongmu, test level has been removed

[xuelongmu]

Thanks @CesiumBen , merging now.