Adds Climber, Delivery, Intake, and Vision subsystems
Also adds PixyCam as a reference, unsure if we're going to keep this as a regular subsystem or if we're going to have PixyCam code built into a subsystem UPDATE: PixyCam is moving into its own branch
Some minor other changes, such as:
Enforcing 2 tab spaces in GitHub settings (pending if we're actually going to keep that)
Also adds PixyCam as a reference, unsure if we're going to keep this as a regular subsystem or if we're going to have PixyCam code built into a subsystemUPDATE: PixyCam is moving into its own branch