New equitherm agorithm and crart for it

secrets.default.ini

@@ -14,12 +14,12 @@ ap_password = otgateway123456
 sta_ssid = 
 sta_password = 
 
-portal_login = admin
-portal_password = admin
+portal_login = 
+portal_password = 
 
 mqtt_enabled = false
 mqtt_server = 
 mqtt_port = 1883
 mqtt_user = 
 mqtt_password = 
-mqtt_prefix = opentherm
+mqtt_prefix = otgateway