notification overhaul

pubspec.yaml

@@ -36,6 +36,7 @@ dependencies:
   uuid: ^4.5.1
   crypto: ^3.0.6
   url_launcher: ^6.3.2
+  alarm: ^5.1.4
 
 dev_dependencies:
   flutter_test:
@@ -53,6 +54,3 @@ dependency_overrides:
 
 flutter:
   uses-material-design: true
-
-  assets:
-    - assets/canada_health.json