move client instantiation into main

wien_talks/wien_talks_flutter/lib/helper/funmap_mgr.dart

@@ -22,9 +22,14 @@ class FunmapMgr {
     // address by running `ipconfig` on Windows or `ifconfig` on Mac/Linux.
     // You can set the variable when running or building your app like this:
     // E.g. `flutter run --dart-define=SERVER_URL=https://api.example.com/`
-    const serverUrlFromEnv = String.fromEnvironment('SERVER_URL');
-    final serverUrl = serverUrlFromEnv.isEmpty ? 'http://localhost:8080/' : serverUrlFromEnv;
 
-    client = Client(serverUrl, connectionTimeout: const Duration(seconds: 5))..connectivityMonitor = FlutterConnectivityMonitor();
+    const serverUrlFromEnv = String.fromEnvironment('SERVER_URL');
+    final serverUrl =
+        serverUrlFromEnv.isEmpty ? 'http://$localhost:8080/' : serverUrlFromEnv;
+
+    client = Client(serverUrl, connectionTimeout: const Duration(seconds: 5))
+      ..connectivityMonitor = FlutterConnectivityMonitor();
+
+    client.openStreamingConnection();
   }
 }

wien_talks/wien_talks_flutter/lib/main.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:wien_talks_flutter/helper/funmap_mgr.dart';
 import 'package:wien_talks_flutter/helper/go_router.dart';
 
 void main() {
+  FunmapMgr();
   runApp(const MyApp());
 }
 

wien_talks/wien_talks_flutter/lib/widgets/add-quote-fab.dart

@@ -10,7 +10,8 @@ class AddQuoteFab extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return FloatingActionButton(onPressed: () {
-      FunmapMgr().client.quote.createQuote(CreateQuoteRequest(text: 'Quote Text', lat: 22, lng: 140));
+      FunmapMgr().client.quote.createQuote(
+          CreateQuoteRequest(text: 'Quote Text', lat: 22, lng: 140));
     });
   }
 }