Statistics update

Fix statistics problems for the backend

Double Swing

Add double swing exercise to stand and squats
Fix a state transition bug

VRWorkout challenge

Add a challenge workout for comparing games between players

Jumping update

Add arms up jumping

Portal connection

Add support for VRWorkout portal backend
Send Exercise data to backend
Fix double registration issue in VRHealth connection

VRHealth Integration

Add connection menu for connecting to the VRHealth app
Preliminary server connection

Workout presets

Add custom exercise sequences
Workout selection marker
Difficulty selection sounds
Different environment for easy/medium vs hard/ultra

Performance update

Fix frame rate drops in the main menu
Fix difficulty selector not remembering the setting

Equalizer Update

Add an equalizer to the level background

Exercise Presets

Add support for exercise presets
Add experimental strength/cardio modes