Furnace

Furnace b2

Changes:
- Adjusted the height of the platform under the point to be lower
- Removed the triggers inside of the health pack rooms so they won't close after entering them once
- Removed the wall blocking vision from the point on either sides upper spawn door
- Changed the position of the ramps leading down from the upper spawn doors
- Added a bridge connecting the two upper spawn doors
- Widened the map, which includes spawn rooms and the upper spawn doors