Update README.md

Author: Maruthi NH

README.md

@@ -5,6 +5,10 @@ To run the code
 ```
 python3.8 lid_driven_cavity.py
 ```
-Velocity contour plot obtained from the solver. Simulation is carried out 
-with 64 x 64 grid points. Solution has converged to 1e-10
+Velocity contour plot obtained from the solver. 
 
+Simulation is carried out with 64 x 64 grid points. 
+
+Solution has converged to 1e-10
+
+![velocity_cont1](https://user-images.githubusercontent.com/4444574/173889919-4bbad35b-dfdb-41cb-bfe0-1f73cf64df65.png)