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public/manifest.json

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+{
+  "name": "SecureChat",
+  "short_name": "SecureChat",
+  "description": "End-to-End Encrypted Messaging",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#0e1621",
+  "theme_color": "#0e1621",
+  "icons": [
+    {
+      "src": "/icon-192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "/icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ]
+}