server: Added ssl in config file

For some times there was a --config supported.

This PR

• Clean up the parsing of cmd arg + config file with pydantic (it's more flexible to add new stuff if we like)
• Server options are now typed
• Add options related to ssl in the config/cmdargs (which was in app.yml)

Here is the config file is use is my simulator now

# daiquiri-server --config=./daiquiri_private/daiquiri.yml

port: 8080

static_folder: "./daiquiri-ui.git/build/"

resource_folders:
   - "./beamline_configuration/daiquiri"
   - "./daiquiri_private"

ssl: true
ssl_cert: localhost.cert
ssl_key: localhost.key