Add leetcode problem solution

[Rohit0301]

Question link:- https://leetcode.com/problems/ransom-note/

[FoxxPratikSau]

Hey, @Rohit0301 Can I work on this?

[mallikpramod]

i would love to solve this problem, please assign me

[Rahul-Bhati]

let me handle this issue @Rohit0301

[geoffgeorgein]

I can solve this issue.Please assign me.