This is based on Espressif's Espressif IoT Development Framework template app.
You will need to download NXP's NFC card reader library and unpack it in compnents/nfc/<directory in zip file> to build.
Please check ESP-IDF docs for getting started instructions.
Code in this repository is in the Public Domain (or CC0 licensed, at your option.) Unless required by applicable law or agreed to in writing, this software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.