Release for updated SDK 85.0.0

Summary:
- Bumped the Core SDK to v85.0.0
- Added an example of Sceneless World Locking in the ``EnvironmentPanelPlacement`` scene, showing how World Locking can now be used without requiring a scene to be present
- Added a sample script ``TestsExamples``showcasing the new Spatial Testing Framework for automated testing of spatial-dependent functionality across multiple room configurations
- Minor bug fixes and improvements

Reviewed By: kyrylokuzyk-m

Differential Revision: D92717421

fbshipit-source-id: 890e07389da7a164edbc9c12eed4b89500989d6b

Release for updated SDK 83.0.0

Summary:
- Complete overhaul of the ``NavMesh``, ``FindFloorZone``, and ``MultiSpawn`` samples. Take inspiration from these use cases to build your next MR application!
- New ``HiFiScene`` sample demonstrating the new High Fidelity room scans usage.
- The project has been upgraded to use URP.
- Bug fixes and minor improvements.

Reviewed By: MartinSherburn, TudorJude

Differential Revision: D88625402

fbshipit-source-id: e444ce60d973254158afdf1b3478f905a34b8876

Release for updated SDK 81.0.0

Summary:
-   Migrated to MIT license
-  The samples can now be built to an APK using the menu item at Meta > Samples > Build MRUK Samples
-   Added a start scene to navigate between samples
-   Moved the `Environment Panel Placement` sample from experimental to the main samples
-   Bug fixes and improvements across all samples

Reviewed By: MartinSherburn

Differential Revision: D84049594

fbshipit-source-id: bb4b6b9be9279b4c7ca10bc05cf527294f2fbf75

Release for updated SDK 78.0.0

Reviewed By: MartinSherburn, TudorJude

Differential Revision: D77926869

fbshipit-source-id: 27730fd4e5f97657f047f8e9ff0df1d25c4567ff

Release for updated SDK 77.0.0

Reviewed By: MartinSherburn

Differential Revision: D76042099

fbshipit-source-id: 9681ef70f4c7644db5c7bd842ed23a7a1911e784

Release for updated SDK 76.0.1

Summary:
Packages versions
com.meta.xr.mrutilitykit: 76.0.1
com.meta.xr.sdk.core: 76.0.1

Reviewed By: jinsongh2

Differential Revision: D74913838

fbshipit-source-id: d40e7b6972d0488a64ae2cbd77b91ae442dafbd8

Initial commit

fbshipit-source-id: 12346396f0819c0842d01fa8a97845faa4a6152b