Add example project at RN >= 60

[tkow]

Add example app for examining this library work well both android and ios.

#How to Check

ios

# at project root
yarn install 
# at example/ios
pod install
# at project root
yarn start

And in Xcode, change provisioning file with setting your team. Then, run button with example scheme.

android

# at project root
yarn install 
# at project root
npx react-native run-android --root example

if some errors occur, these may be due to gradle settings or versions, emulator settings, lost debug.keystore, or path of command execution wrong.

[dantman]

I don't think you need to decode the URI. Also I believe fetch should also work with file://, i.e. on iOS. So you should not need to test for Android or content://.

[tkow]

I'm sorry I included some debug codes. I removed them.

[vonovak]

hello, thanks for the PR!

I'll close this because it is being super ceded by #421

thank you!