envelop c

package.json

@@ -35,6 +35,7 @@
     "react-native-app-intro-slider": "^4.0.4",
     "react-native-bouncy-checkbox": "^4.1.3",
     "react-native-date-picker": "^5.0.13",
+    "react-native-fs": "^2.20.0",
     "react-native-gesture-handler": "^2.30.0",
     "react-native-gifted-charts": "^1.4.70",
     "react-native-haptic-feedback": "^2.3.3",
@@ -52,6 +53,7 @@
     "redux-persist": "^6.0.0",
     "sockjs-client": "^1.6.1",
     "text-encoding": "^0.7.0",
+    "xlsx": "^0.18.5",
     "yup": "^1.7.1"
   },
   "devDependencies": {