init wifi_cfg in app_main startup sequence

main/eis4.c

@@ -5,6 +5,7 @@
 #include "echem.h"
 #include "protocol.h"
 #include "wifi_transport.h"
+#include "wifi_cfg.h"
 #include "temp.h"
 #include "refs.h"
 #include "freertos/FreeRTOS.h"
@@ -64,6 +65,8 @@ void app_main(void)
     eis_load_ph_cal();
     temp_init();
 
+    wifi_cfg_init();
+
     esp_netif_init();
     esp_event_loop_create_default();