[Feature] WebXR Support for Viewing 360 assets in VR

I have searched the existing feature requests to make sure this is not a duplicate request. • Yes The feature VR is becoming increasingly popular and widely adopted across various domains, from gaming and entertainment to productivity and creative applications. With the rise of affordable and accessible VR headsets, such as the Oculus Quest series, users are looking for seamless ways to view and interact with their media in immersive environments. Immich is already an excellent tool for managing and organizing photos and videos. However, the ability to view 360-degree photos and videos directly in VR is something that would be extremely nice to have. This can be implemented in 2 ways: • On android: Then Immich app will be installed on a headset directly, and would allow more integrated interaction, but this approach demands significant efforts for implementation and support • On web, using WebXR: Add a button to open 'VR' mode. Much simpler…