Integrate ESP32 health support

tutorials/esp32/minimal/main/main.c

@@ -65,8 +65,10 @@ static void http_ev_handler(struct mg_connection *c, int ev, void *ev_data) {
   }
 }
 
+extern void wifi_init(const char *ssid, const char *pass);
+
 void app_main(void) {
-  void wifi_init(const char *ssid, const char *pass);
+  MG_HEALTH_INIT();
   wifi_init(WIFI_SSID, WIFI_PASS);
 
   struct mg_mgr mgr;

tutorials/esp32/minimal/main/mongoose_config.h

@@ -1,4 +1,6 @@
 #define MG_ARCH MG_ARCH_ESP32
 
+#define MG_ENABLE_HEALTH 1
+
 #define MG_TLS MG_TLS_BUILTIN
 //#define MG_TLS MG_TLS_MBED