Perform HTTP request on backend to retrieve secure endpoint location

esp32_device/.vscode/settings.json

@@ -30,6 +30,8 @@
     "task.h": "c",
     "freertos.h": "c",
     "unsecure_api.h": "c",
-    "esp_log.h": "c"
+    "esp_log.h": "c",
+    "http_client.h": "c",
+    "string.h": "c"
   }
 }