Added 4 ways to exit level 0

1st - Manilla Room (a door you can use to enter manilla room)
2nd - Level 1 (the level will turn into level 1 in by interacting with a walls randomly)
3rd - Level 27 (You can break the damaged floor and fall into level 27 but you can also fall into the void by chance)
4th - Level -1 (By running towards the corner of the wall,you will noclip into level -1)