feat: Added gif to readme

README.md

@@ -4,14 +4,18 @@
 
 This repo contains all the code related to the [Create your own App guide](https://speckle.guide/dev/apps.html), which is part of our [Developer Docs](https://speckle.guide/dev)
 
-> You can find the published app [HERE](https://hardcore-einstein-829a53.netlify.app/) 
-> 
+> You can find the published app [HERE](https://hardcore-einstein-829a53.netlify.app/)
+>
 > [![Netlify Status](https://api.netlify.com/api/v1/badges/45628834-7477-42f8-9e2a-e8da5b4d2de1/deploy-status)](https://app.netlify.com/sites/hardcore-einstein-829a53/deploys)
 
 Currently, only _Part I_ of the guide has been released. You can find a `tag` with the name `part-i` in the repo, which points to the final code for the corresponding parts. Future releases will follow the same pattern.
 
 For instructions on how to install dependencies and basic setup, please consult the guide.
 
+## Preview
+
+![Full demo](./app-guide-full-demo.gif)
+
 ## Environment variables
 
 You'll find an `.env.local` file already populated with some values. **Please remember to modify these values with your own, following the guide linked above.**