Better transition including rotation

[vincentfretin]

Currently only the position is interpolated, we don't do anything with the rotation.
Amelioration suggestion for rotation:
Move up y first then move xz like https://au-floor.vercel.app (cursor doesn't seem to work on Firefox, use Chrome)

Related:

• teleportTo(position, quaternion) API #55

[vincentfretin]

You can sponsor $30 to vincentfretin fully or partially to work on this feature. Find other work you can sponsor at https://github.com/c-frame/sponsorship

[vincentfretin]

@3DStreet sponsored me to work on this issue. Thank you!