Join one FM-Funknetz talk group from a headset window.

The station reads ~/.funknetz.json, speaks protocol 2.0, and builds an unsigned funknetz.app.

Co-authored-by: Cursor <cursoragent@cursor.com>

wails.json

@@ -0,0 +1,20 @@
+{
+  "name": "funknetz",
+  "outputfilename": "funknetz",
+  "frontend:dir": "frontend",
+  "frontend:install": "",
+  "frontend:build": "",
+  "wailsjsdir": "frontend",
+  "version": "2",
+  "author": {
+    "name": "funknetz",
+    "email": ""
+  },
+  "info": {
+    "companyName": "funknetz",
+    "productName": "funknetz",
+    "productVersion": "1.0.0",
+    "copyright": "funknetz",
+    "comments": "Headset station for the FM-Funknetz"
+  }
+}