Update notes.md

notes.md

@@ -1,15 +1,17 @@
 # Notes
-
+## To Do
 - [ ] create simple web interface with flask and nginx
 - [ ] communicate with Meshtastic device via web interface
 
-# Timeline
+## Follow up
+### Backend
+[meshtastic-cli-receive-text](https://github.com/brad28b/meshtastic-cli-receive-text)
 
-## Software installed on host Pi
+### Web app
+[flask web app tutorial](https://www.digitalocean.com/community/tutorials/how-to-make-a-web-application-using-flask-in-python-3)
+
+## Timeline
+### setup host Pi
 - Debian 13
 - nginx 
 - python3-meshtastic
-
-## Follow up
-
-[meshtastic-cli-receive-text](https://github.com/brad28b/meshtastic-cli-receive-text)