Update README.md (#422)

experimental/web_dashboard/README.md

@@ -1,6 +1,17 @@
 # web_dashboard
 
-(In progress) A dashboard app for the web, built with Flutter.
+**In progress** 
+
+A dashboard app that displays daily entries.
+
+1. How to use an AdaptiveScaffold adaptive layout for large, medium, and small
+screens.
+2. How to use Firebase [Cloud
+Firestore](https://firebase.google.com/docs/firestore) database with Google
+Sign-In.
+3. How to use [charts](https://pub.dev/packages/charts_flutter) to display
+data. 
+4. (in progress) How to set up routing for a web app
 
 This app is web-first, and isn't guaranteed to run on iOS, Android or desktop
 platforms.
@@ -18,3 +29,4 @@ Skia / CanvasKit mode:
 ```
 flutter run -d chrome --release --dart-define=FLUTTER_WEB_USE_SKIA=true
 ```
+