Correct the README of the alphanet-demo

Author: backyard-coder

6-nfts-for-financial-applications/rad-sense/alphanet-demo/README.md

@@ -1,7 +1,11 @@
 # alphanet-demo
 
-To run the demo please run the following command:
+To run the demo please execute the following commands:
 
 ```bash
+npm install
 npm run dev
-```
+```
+
+If you experience any trouble during the first time you run the demo, try relaoding the browser tab or restart the server.
+Vite seems to be generating things on the fly which might trip up the demos state.