Based on the code of : https://github.com/danclarke/WorkingStargateMk2Raspi STL : https://www.thingiverse.com/thing:3153542
Create a secret.h file into src with the following code :
// Replace with your network credentials
const char* ssid = "SSID";
const char* password = "PASSWORD";
#define my_OTA_PW "OTA_PW" // password for OTA updates