Created Median Of Two Sorted Arrays in cpp

[Ayushi912]

#36 fixed solution to leetcode hard problem: Given two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays. with better complexities.

[Ayushi912]

@KhushbooGoel01 updated description plz merge

[KhushbooGoel01]

@Ayushi912 Please follow naming conventions.

[Ayushi912]

@KhushbooGoel01 plz give me an example if possible wat type of naming convention is required. I will do accordingly.

[KhushbooGoel01]

@Ayushi912 read instructions from readme