Adding new DropDownPicker pkg to app

src/package.json

@@ -39,6 +39,7 @@
     "react-native": "https://github.com/expo/react-native/archive/sdk-39.0.4.tar.gz",
     "react-native-action-button": "^2.8.5",
     "react-native-chart-kit": "^6.11.0",
+    "react-native-dropdown-picker": "^5.1.27",
     "react-native-flash-message": "^0.1.18",
     "react-native-gesture-handler": "~1.7.0",
     "react-native-google-places-autocomplete": "^2.1.3",