Combo - Pocket 2

Coop mapping ^^

Modification:
- movement improvements
- map is smoother
- way from Rail to DA opened
- a lot of details

Quality of life changes:
- new teleporter with no collisions
- fixed a roof that didn't have the right texture
- added custom signs
- modified one edge to make the wall jump easier (coordinates: 24 - 12 - 9)
- made the arrow aread with clean items to avoid annoying collisions