create repository with functional basic implementation

src/consts/sprites.asm

@@ -0,0 +1,18 @@
+pub const sprites.width = 5
+pub const sprites.height = 5 ; unused as sprite are all square
+pub const sprites.size = 25 ; height x width
+
+pub const sprites.rotation_0 = 0
+pub const sprites.rotation_90 = 1
+pub const sprites.rotation_180 = 2
+pub const sprites.rotation_270 = 3
+
+pub const sprites.empty = 0
+pub const sprites.unimplemented = 1
+pub const sprites.wall_end = 2
+pub const sprites.wall_straight = 3
+pub const sprites.wall_corner = 4
+pub const sprites.robot = 5
+pub const sprites.ghost = 6
+pub const sprites.coin = 7
+pub const sprites.max = 7 ; for lookup table