This project was bootstrapped with react native cli and npx react-native init command with use of typescripe template.
To start the project, go to project directory and open a terminal or cmd and type npm install or yarn install to install all dependency of project. After installation of all packages without any error, you should link fonts which is available in root directory of the project, So to do that, run npx react-native link.
After all setup you could run app on android device or emulator by typing npx react-native run-android.
To start ios application first go to ios sub-directory of project an d run pod install to install all dependencies and then run npx react-native run-ios to start project on ios devices as well.
For testing for app you just needs to type npm run test in the root directory of you applicaiton