add library.properties

library.properties

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+name=NFC Tag M24LR6E
+version=1.0.0
+author=Seeed Studio
+maintainer=Seeed Studio <techsupport@seeed.cc>
+sentence=Arduino library to control Grove - NFC Tag
+paragraph=Grove - NFC Tag is a highly integrated Near Field Communication Tag module,this module is I2C interface,which base on M24LR64E-R,M24LR64E-R have a 64-bit unique identifier and 64 -Kbit EEPROM.Grove - NFC Tag attach an independent PCB antenna which can easily stretch out of any enclosure you use, leaving more room for you to design the exterior of your project.
+category=Communication
+url=https://github.com/Seeed-Studio/NFC_Tag_M24LR6E
+architectures=*