Production deployment setup + feature complete

- Dockerfile + deploy.sh for Hetzner server
- Email verification via Better Auth + Resend
- Invite code flow (6-digit OTP, generate/join)
- Settlement share percent fix (payer vs debtor)
- OCR scanner fixes (date display, retry, viewfinder)
- app.json icon/splash/adaptive-icon configured
- iOS deployment target 15.5 (ML Kit requirement)
- DB migration 0014: household_invitations table

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/native/app.json

@@ -6,12 +6,36 @@
     "web": {
       "bundler": "metro"
     },
-    "name": "haushaltsApp",
-    "slug": "haushaltsApp",
-    "plugins": ["expo-font"],
+    "name": "HausApp",
+    "slug": "hausapp",
+    "icon": "./assets/icon.png",
+    "splash": {
+      "image": "./assets/splash-icon.png",
+      "resizeMode": "contain",
+      "backgroundColor": "#ffffff"
+    },
+    "plugins": [
+      "expo-font",
+      "expo-apple-authentication",
+      ["expo-camera", {
+        "cameraPermission": "HausApp benötigt die Kamera um Kassenbons zu scannen."
+      }]
+    ],
     "experiments": {
       "typedRoutes": true,
-      "reactCompiler": true
+      "reactCompiler": false
+    },
+    "ios": {
+      "bundleIdentifier": "com.codingruo.hausapp",
+      "supportsTablet": false,
+      "deploymentTarget": "15.1"
+    },
+    "android": {
+      "package": "com.codingruo.hausapp",
+      "adaptiveIcon": {
+        "foregroundImage": "./assets/adaptive-icon.png",
+        "backgroundColor": "#ffffff"
+      }
     }
   }
 }