tab added on welcome screen
npm install @react-navigation/native
npm install react-native-reanimated react-native-gesture-handler react-native-screens react-native-safe-area-context @react-native-community/masked-view --save
npm install @react-navigation/material-top-tabs react-native-tab-view
npm install @react-navigation/stack --save
Accordion (pull down menu) npm install --save accordion-collapse-react-native