Update README.md

Author: imvamsi

README.md

@@ -10,4 +10,4 @@
 * [Express Js](https://expressjs.com/)
 * [SpaceX api](https://docs.spacexdata.com/?version=latest)
 
-![](https://miro.medium.com/max/1120/1*rfcKecKMtiD0WaALeTCkag.png)
+![](https://miro.medium.com/max/1120/1*rfcKecKMtiD0WaALeTCkag.png=250x)