feat(nfc): add interfaces and missing references to UriHelper and TextHelper (#2104)
feat(nfc): add interfaces and missing references to UriHelper and TextHelper (#2104)

* feat(nfc): Add interfaces and missing references to UriHelper and TextHelper

This commit adds the missing references to UriHelper and TextHeler.

There were missing references to some methods of nfc and ndef modules.

The constants for ndef has ben added.

* feat(nfc): add NfcUtil class.

driftyco/ionic-native,driftyco/ionic-native,driftyco/ionic-native