Simple nfc reader that can be used to activate doors / machines by asking mulysa if the card that was read is ok or not.

• power up the device
• wait a bit and connect to the AP the device is serving
• configure your wifi credentials and mulysa api endpoint
• wait a bit more
• try your card
• check in mulysa for the incoming request and get your deviceid and cardid from there
• add the deviceid to access devices
• add the cardid to your user
• retry the card, mulysa should respond http 200 and the output pin is toggled

The code contains the root ca cert for doing tls. It will not be valid after

// Let's Encrypt ISRG Root X1
// valid untill 6/4/35, 2:04:38 PM GMT+3

Todo: figure out if this can be avoided