feat: add wrap function

sonic-radiance.love/birb/utils/math.lua

@@ -64,6 +64,18 @@ function Math.either(bool, val1, val2)
   end
 end
 
+function Math.wrap(val, min, max)
+  while (val < min) do
+    local diff = ((min-1) - val)
+    val = max - diff
+  end
+  while (val > max) do
+    local diff = ((max+1) - val)
+    val = min + diff
+  end
+  return val
+end
+
 -- VECTOR/DIRECTION functions
 -- Easy-to-use function to handle point and motion