Add Rainy Sharma to Contributors

Author: rainyyyyshrrr12

Contributors.md

@@ -1340,4 +1340,5 @@ Rongxin Zhang
 -[Nikita Rani]
 - [GauravKumar1301](https://github.com/GauravKumar1301)
 - [Mohit Jaryal](https://github.com/mohitjaryal)
-- [Ihsanullah Lemar](https://github.com/ihsanlemar-blip)
+- [Ihsanullah Lemar](https://github.com/ihsanlemar-blip)
+- [Rainy Sharma](https://github.com/rainyyyyshrrr12)