Merge two sorted arrays `nums1` and `nums2` into one sorted array. Variant **#7**.
Example 1
Input: nums1 = [7,9,11,13,15], nums2 = [8,10,12,14,16,18]
Output: [7,8,9,10,11,12,13,14,15,16,18]
Constraints
Acceptance: 69% · Topics: array, sorting, two-pointers