feat: physics

[craftablescience]

• [ ] Integrate Jolt Physics
  • [ ] Add various collider types
  • [ ] (todo: list them all out here)
  • [ ] Add various body types (in one component? only one should be added per entity)
  • [ ] Static bodies
  • [ ] Rigid bodies
  • [ ] Kinematic bodies
• [ ] Better editor integration to control physics objects
  • [ ] "Simulate" button to simulate physics on selected objects
  • [ ] Physics disabled by default (when enabled, physics objects can't be manipulated in 3D space by the user)

Closes #21