A Swift Package that implements NFC protocol for rewritable e-Paper.
First, create an App ID with "NFC Tag Reading" on Apple Developer Program.
Create Applications/Configurations/EPaperNFCDemo-local.xcconfig and configure
your the app Bundle ID, Team ID, and provisioning profile name.
Open Applications/EPaperNFCDemo.xcodeproj in the latest Xcode and build,
run it on your iPhone.
See this gist for the summary of the procotol.