OctaRamp RC-2 / MC / CH-2 on Di2 systems

On Di2 systems tune as follows the following parameters on the front derailleur:
- Axial alignment (the tail of front derailleur may want to stay in-line or slightly inward)
- Height alignment (the height of front derailleur may want to be as standard or slightly higher)
- Tune derailleur max and min positions from the left shifter lever