[web-nfc] Add method to reading event to get serial if available (#212)

kenchris has just created a new issue for https://github.com/w3c/web-nfc:

== Add method to reading event to get serial if available ==
We can easily get this via Android and other platforms. Here is the Android info:

![image](https://user-images.githubusercontent.com/1101339/53816806-8c9eaf00-3f64-11e9-9bb9-08500a7adb2c.png)


Please view or discuss this issue at https://github.com/w3c/web-nfc/issues/212 using your GitHub account

Received on Tuesday, 5 March 2019 15:34:36 UTC