Create a directory for searching algorithms and add implementation of binary search algorithm to it

[tarushirastogi]

@RuchikaSuryawanshi7 @JMukta25 I would like to create a directory of searching algorithm in your repository for Hacktoberfest 2022 and add implementation of binary search algorithm in cpp to it , please assign this issue to me so that I can proceed with it.

[tarushirastogi]

@RuchikaSuryawanshi7 @JMukta25 I have completed the above implementation in the pull request #241 Kindly review it.