- Added lights to gas station and hunting store

- fixed medical supply basement

- added street lines
- added frog shed
- added Flier
- updated preview image

Fixes to some houses windows, which should be open and work normally

Added a Frog Infestation cellar
Fixed a fridge blocking door

Added more frog infestations
Fixed some buildings graphics

added 'FrogtownFrogInfestation' loot zones to 4 garages and 1 trailer