Function rotateArray2DMinor

rotate the minor-axis of a 2D array by the specified amount to the right. the original array is mutated
given a row-major (and column-minor) 2D array arr2d, this function would rotate its columns by the specified amount.
a positive amount would rotate the columns to the right, and a negative amount would rotate it to the left.

Example

const arr2d: Array2DRowMajor<number> = [
    [1 , 2 , 3 , 4 , 5 , 6 ],
    [7 , 8 , 9 , 10, 11, 12],
    [13, 14, 15, 16, 17, 18],
]
rotateArray2DMinor(arr2d, 2)
arr2d === [
    [5 , 6 , 1 , 2 , 3 , 4 ,],
    [11, 12, 7 , 8 , 9 , 10,],
    [17, 18, 13, 14, 15, 16,],
]
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