LC: 165. Compare Version Numbers
If version1 < version2, return -1.
If version1 > version2, return 1.
Otherwise, return 0.
Input: version1 = "1.0", version2 = "1.0.0"
Output: 0
If version1 > version2, return 1.
Otherwise, return 0.
Input: version1 = "1.0", version2 = "1.0.0"
Output: 0