Add FCM device registration and Gitea bug reporter

android/capacitor.config.ts

@@ -1,12 +1,22 @@
 import type { CapacitorConfig } from '@capacitor/cli';
 
+const serverUrl = process.env.METALCIRCLE_SERVER_URL || 'https://konzerte.pinguholic.de/';
+const localTest = process.env.METALCIRCLE_LOCAL_TEST === '1';
+if (!serverUrl.startsWith('https://') && !(localTest && /^http:\/\/(127\.0\.0\.1|localhost):\d+\/?$/.test(serverUrl))) {
+  throw new Error('MetalCircle requires HTTPS, or explicit localhost test mode.');
+}
+
 const config: CapacitorConfig = {
   appId: 'de.pinguholic.concerts',
   appName: 'MetalCircle',
   webDir: 'www',
+  loggingBehavior: 'none',
+  plugins: {
+    PushNotifications: { presentationOptions: ['sound', 'alert'] }
+  },
   server: {
-    url: 'https://konzerte.pinguholic.de/',
-    cleartext: false
+    url: serverUrl,
+    cleartext: localTest
   }
 };