https://medium.com/react-native-training/adding-custom-fonts-to-react-native-b266b41bff7f https://medium.com/@danielskripnik/how-to-add-and-remove-custom-fonts-in-react-native-b2830084b0e4 https://medium.com/react-native-training/react-native-custom-fonts-ccc9aacf9e5e