CHANGES
- added: in-game basics tutorial for: striding/steering, pumping, grinding, balancing
- added: monorolls (avatar will automatically switch to a monoroll when one of its feet is not touching the ground
- fixed: truespin grinds are now named correctly
- fixed: grind inspin bug where halfcap grinds would always revert to alleyoop grinds
- improved: manual trick animations (added leaning/bending)