TODO: make web server, in simple way
$ python3 -m venv venv
(venv) $ pip install -r requirements.txt
...
(venv) $ comver server ...
$ comver server \
--get /hello '{"name": "comver"}' \
--get /world '{"year": 2022}'
and check with new terminal
$ curl localhost:9000/hello
"{\"name\": \"comver\"}"%
$ curl localhost:9000/world
"{\"year\": 2022}"%