feat: application n8n Pilot complète (Expo managed workflow)

- Stack : Expo Router, Axios, Zustand, React Native Paper (thème sombre), date-fns
- Sécurité : secrets dans Android Keystore via expo-secure-store, TLS obligatoire,
  headers X-N8N-API-KEY + X-App-Token injectés par intercepteur Axios
- API : client.ts centralisé + workflows.ts + executions.ts (TypeScript strict)
- Store : Zustand appStore avec chargement depuis secure store au démarrage
- Hooks : usePolling (générique), useWorkflows, useExecutions
- Composants : StatusBadge, WorkflowCard, ExecutionCard, SkeletonLoader
- Screens : Dashboard, Workflows, Executions, Logs (détail exécution), Settings
- Navigation Expo Router : 4 tabs + stack Logs + écran Setup initial
- Docs : INSTALL.md, UPDATE.md, BACKUP.md, HAPROXY.md, SECURITY.md

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

app.json

@@ -1,29 +1,41 @@
 {
   "expo": {
-    "name": "n8n",
-    "slug": "n8n",
+    "name": "n8n Pilot",
+    "slug": "n8n-pilot",
+    "scheme": "n8npilot",
     "version": "1.0.0",
     "orientation": "portrait",
     "icon": "./assets/icon.png",
-    "userInterfaceStyle": "light",
+    "userInterfaceStyle": "dark",
     "newArchEnabled": true,
     "splash": {
       "image": "./assets/splash-icon.png",
       "resizeMode": "contain",
-      "backgroundColor": "#ffffff"
+      "backgroundColor": "#121212"
     },
     "ios": {
-      "supportsTablet": true
+      "supportsTablet": false
     },
     "android": {
       "adaptiveIcon": {
         "foregroundImage": "./assets/adaptive-icon.png",
-        "backgroundColor": "#ffffff"
+        "backgroundColor": "#121212"
       },
-      "edgeToEdgeEnabled": true
+      "edgeToEdgeEnabled": true,
+      "package": "com.n8npilot.app"
     },
     "web": {
       "favicon": "./assets/favicon.png"
-    }
+    },
+    "plugins": [
+      "expo-router",
+      "expo-secure-store",
+      [
+        "expo-local-authentication",
+        {
+          "faceIDPermission": "Autoriser n8n Pilot à utiliser Face ID"
+        }
+      ]
+    ]
   }
 }