wasm work

veilid-flutter/example/lib/main.dart

@@ -89,7 +89,7 @@ class _MyAppState extends State<MyApp> with UiLoggy {
     // Platform messages may fail, so we use a try/catch PlatformException.
     // We also handle the message potentially returning null.
     try {
-      veilidVersion = Veilid.instance.veilidVersionString();
+      veilidVersion = await Veilid.instance.veilidVersionString();
     } on Exception {
       veilidVersion = 'Failed to get veilid version.';
     }

veilid-flutter/example/pubspec.lock

@@ -149,6 +149,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
+  mutex:
+    dependency: transitive
+    description:
+      name: mutex
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
   path:
     dependency: transitive
     description:
@@ -301,6 +308,13 @@ packages:
       relative: true
     source: path
     version: "0.0.1"
+  wasm_interop:
+    dependency: transitive
+    description:
+      name: wasm_interop
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
   win32:
     dependency: transitive
     description: