Look example: https://github.com/nyampass/HaLake-M5Stack-Library/blob/master/examples/WebServer/WebServer.ino
- Caution!!: You should call this method before other methods on this library.
- Set response & callback with path for access.
- Set response for when accessed to path you were never set.(for 404)
- To start server.
- If you never call it, you can't access services you were set.
- Caution!!: You Should call this method in Loop if you use web-server.