Revamped the entire map

Major changes:
-Added dennis room as requested ( https://www.youtube.com/watch?v=0C2PXxU3fBs&t=653s )
^ (this may not work for dennis, first time using a lua script with more than 3 lines in a map)
-Completely redid lighting
-Added destructible stage lights
-Navmesh

Minor changes:
-Added Glubtastic 5 reference
-Optimized small brushes
-Widened the carpets & changed their textures
-Adjusted some wall textures

Known issues:
-Forgot to add a node graph (will get around to this sometime in the future)

Initial addon creation.