Merge branch 'upgrade-rn-and-friends' into 'master'

.eslintrc

.eslintrc.js

.flowconfig

.gitignore

.prettierrc.js

android/app/build.gradle

android/app/debug.keystore

android/app/src/main/AndroidManifest.xml

android/app/src/main/assets/fonts/AntDesign.ttf

android/app/src/main/assets/fonts/Entypo.ttf

android/app/src/main/assets/fonts/EvilIcons.ttf

android/app/src/main/assets/fonts/Feather.ttf

android/app/src/main/assets/fonts/FontAwesome.ttf

android/app/src/main/assets/fonts/FontAwesome5_Brands.ttf

android/app/src/main/assets/fonts/FontAwesome5_Regular.ttf

android/app/src/main/assets/fonts/FontAwesome5_Solid.ttf

android/app/src/main/assets/fonts/Fontisto.ttf

android/app/src/main/assets/fonts/Foundation.ttf

android/app/src/main/assets/fonts/Ionicons.ttf

android/app/src/main/assets/fonts/MaterialCommunityIcons.ttf