add strawberrys

init.lua

mapgen.lua

strawberry.lua

textures/farming_strawberry.png

textures/farming_strawberry_1.png

textures/farming_strawberry_2.png

textures/farming_strawberry_3.png

textures/farming_strawberry_4.png

textures/farming_strawberry_5.png

textures/farming_strawberry_6.png

textures/farming_strawberry_7.png

textures/farming_strawberry_8.png