feat: add checking script for validation

Author: varun-r-mallya

README.md

@@ -4,6 +4,7 @@ This is an implementation of CFD codes for the Lid Driven Cavity using OpenMP, C
 [Paper](https://www.iist.ac.in/sites/default/files/people/psi-omega.pdf)
 [Video](https://www.youtube.com/watch?v=3JnBTB0Edak)
 
+
 ## To run
 - Step 0;
   ```bash