Improve Default Interactions

[dkillough]

VRSight currently comes equipped with many default interactions: ContextCompass ("1"), SceneSweep ("2"), AimAssist ("3"), and SafeGuard (automatic) to communicate virtual objects to users. We invite developers to further interaction design and development for VRSight.

[dkillough]

//TODO Include additional insights from users during the study, particularly if we didn't have space to include them in the paper. cc @jfeng04 @dwangster448 @ching4098