Update README.md

Author: helloharendra

README.md

@@ -1,4 +1,12 @@
 # Flutter_Responsive_Builder
 
+## if screen is less than 600px.
+
+![Screenshot 2023-02-16 at 11 04 42 AM](https://user-images.githubusercontent.com/78723011/219277721-c54f0b11-46ba-40cc-a0fc-71cba67793d9.png)
+
+## if screen is greater than 600px.
+![Screenshot 2023-02-16 at 11 04 52 AM](https://user-images.githubusercontent.com/78723011/219277808-1e547363-0d30-4fa6-804e-a579a690b4cf.png)
+
+## Here screen Recording.
 https://user-images.githubusercontent.com/78723011/219277423-4e4e5b42-5d53-41f1-a648-517a78460f46.mov