Implementation of meerge sort

[suraj-s13]

Create a readme. md file for explanation and Cpp file for code

[suraj-s13]

plz assign this issue to me.

[SanjoySaha24]

I want to contribute. Please assign it @anomekumar08 as my first contribution for hacktoberfest 2022.

[thulasi-16]

Please assign this issue to me.

[pavankalyan767]

hi can is this issue valid for hacktoberfest 2023 and can i use c or python to implement merge sort ?

[Nandita-rawat]

hello, hope you doing great . Please me let me know if this issue open for Hacktoberfest 2023 also if yes please assign it.