Adds the Mutagen Developing Area (to labs)

This consist of a crosshaped hallway with a console locked storage room (with recipes and 8-15 serums inside) two offices, with nothing remarkable inside them other than office supplies, two sealed rooms for "experiments" with a chance of containing serums in the fridges, and a lab area with laboratory supplies and some  more serums in it.

The room has in total something between 10-17 serums, I also removed the recipes and serums from most of the other lab rooms into it (except for normal mutagen, purifier and the elfa recipe).