Update README.md (#16)

* Update README.md

* Update README.md

Co-authored-by: Matt Kramer <[email protected]>
Co-authored-by: Matt Kramer <[email protected]>

Author: KennyOliver

README.md

@@ -11,7 +11,7 @@ A command-line interface for [PyScript](https://pyscript.net).
 
 Quickly wrap Python scripts into a HTML template, pre-configured with [PyScript](https://pyscript.net).
 
-![demo](https://user-images.githubusercontent.com/11037737/166966219-9440c3cc-e911-4730-882c-2ab9fa47147f.gif)
+<img src="https://user-images.githubusercontent.com/11037737/166966219-9440c3cc-e911-4730-882c-2ab9fa47147f.gif" style="width: 100%; max-width: 680px;" />
 
 ## Installation