The town will start with only 3 free building spots, when people level up town hall they will get building spot
that will make the town larger in building grounds are well.
With more buildings suggestion added the towns would eventually need more building grounds.
town hall level 1-2 = 3 free spots, 1 coast building spot
town hall level 3=4 free spots, 1 coast building spot
town hall level 4-5=5 free spots, 1 coast building spot
town hall level 6=6 free spots, 1 coast building spot
town hall level 7-8=7 free spots, 2 coast building spot
town hall level 9 = 8 free spots, 2 coast building spot
town hal level 10 = 9 free spots, 2 coast building spot
town hall level 11 = 10 free spots, 2 coast building spot
town hall level 12-13 = 11 free spots, 2 coast building spot
town hall level 14 = 12 free spots, 2 coast building spot
town hall level 15 = 13 free spots, 2 coast building spot
town hall level 16 = 14 free spots, 2 coast building spot
town hall level 17 = 15 free spots, 2 coast building spot
town hall level 18 = 16 free spots, 3 coast building spot
town hall level 19 = 17 free spots, 3 coast building spot
town hall level 20 = 18 free spots, 3 coast building spot
town hall level 21 = 19 free spots, 3 coast building spot
town hall level 22 = 20 free spots, 3 coast building spot
town hall level 23-24 = 21 free spots, 3 coast building spot
town hall level 25 = 22 free spots, 4 coast building spot
town hall level 26-29 = 23 free spots, 4 coast building spot
town hall level 30-35 = 24 free spots, 5 coast building spot
town hall level 36-42 = 25 free spots, 5 coast building spot
town hall level 42-49 = 26 free spots, 6 coast building spot
town hall level 50+ = 27 free spots->max, 7 coast building spot->max