changed how to initialize readNfcTags[] array Use for loop instead of declaration so user doesn't need to edit code when changing the number of RFID readers used

minor code cleanup

Changed Accepted RFID Tag ID#s to const uint32_t

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Merge branch 'master' of https://github.com/mbparks/OSER0001_RFIDGadget

Added PWM and Digital Outputs When Correct RFID Tags presented