Add invoice downloading demo (#494)

README.md

@@ -193,6 +193,13 @@ You'll need to have Skyvern running locally if you want to try these examples ou
 ./run_skyvern.sh
 ```
 
+## Invoice Downloading
+Reach out to us (founders@skyvern.com) to see this live
+
+<p align="center">
+  <img src="docs/images/invoice_downloading.gif"/>
+</p>
+
 ## Automate materials procurement for a manufacturing company
 💡 See it in action
 ```