Added embellishments to the Supermarket
Moved sale to the appropriate unloading
Added realistic supermarket sound
Ground height fix

Point of sale created products can be placed
Supermarket realistic sound
Accept the following products :
FLOUR SUNFLOWER_OIL CANOLA_OIL OLIVE_OIL BREAD CHEESE TOMATO MILK LETTUCE FABRIC WOODCHIPS CHOCOLATE WOOL WATERMELON COTTON MELON PUMPKIN STRAWBERRY FURNITURE CLOTHES HONEY GRAPE GRAPEJUICE EGG OLIVE SUGAR CARROT WOOD BUTTER CAKE APPLE CHERRY PEAR