uniquePaths = (row, col) => {
    const tabu = initTabu(col);/* Time O(COLS)        | Space O(COLS) */ 

    search(row, col, tabu);    /* Time O(ROWS * COLS) | Space O(COLS) */ 

    return tabu[(col - 1)];
}
DP - Bottom Up
Array - Tabulation
Time O(ROWS * COLS) | Space O(COLS)
https://leetcode.com/problems/unique-paths/
@param {number} m
@param {number} n
@return {number}