chore: switch to demo environment

Author: fulleni

lib/main.dart

@@ -4,7 +4,7 @@ import 'package:ht_main/bootstrap.dart';
 // Define the current application environment here.
 // Change this value to switch between environments for local development.
 // production/development/demo
-const currentEnvironment = app_config.AppEnvironment.development;
+const currentEnvironment = app_config.AppEnvironment.demo;
 
 void main() async {
   final appConfig = switch (currentEnvironment) {