added C++ program to check two strings are anagram or not

[HeyySuraj]

programs Check whether two strings are anagram of each other

• function to check whether two given strings are anagram of each other or not.
• An anagram of a string is another string that contains the same characters, only the order of characters can be different.

For example, “abcd” and “dabc” are an anagram of each other.

STRINGS ARE ANAGRAM

TRIANGLE - INTEGRAL SILENT - SILENT