Add esp_http_client

Add error handling for http client

set ssid password correct with Example_WIFI test, and clear password before free

Fixed the CI failure due to HTTP errror names

examples/protocols/esp_http_client/main/app_wifi.h

@@ -0,0 +1,17 @@
+/* ESP HTTP Client Example
+
+   This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+   Unless required by applicable law or agreed to in writing, this
+   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+   CONDITIONS OF ANY KIND, either express or implied.
+*/
+
+#ifndef _APP_WIFI_H_
+#define _APP_WIFI_H_
+
+void app_wifi_initialise(void);
+void app_wifi_wait_connected();
+
+
+#endif