docs: add terminal animation

Author: gabitoesmiapodo

demo.svg

@@ -8,6 +8,8 @@ An easy way to install and customize [dAppBooster](https://dappbooster.dev/)
 $ pnpm dlx dappbooster
 ```
 
+<img src="./demo.svg" width="600">
+
 dAppBooster documentation: https://docs.dappbooster.dev/
 
 ## Development