Update information who install nativeBase in Expo Project

[Samuelplim]

Update information on who installs nativeBase in the Expo Project
documentation link https://docs.nativebase.io/install-expo commands:

expo init my-app --template @native-base/expo-template
To
npx create-expo-app my-app --template @native-base/expo-template-typescript

And

expo init my-app --template @native-base/expo-template-typescript
To
npx create-expo-app my-app --template @native-base/expo-template-typescript

Expo documentation:
https://docs.expo.dev/archive/expo-cli/#expo-cli-migration