Add new "config" command when starting Butler CW, creating a default config file

[mountaindude]

Something like butler-cw.exe config would create config files with correct structure for the version of Butler CW being used.
This will make it easier to get started with Butler CW.

• All features that can be turned on/off should be turned off.
• Use butler-cw-config.yaml as output name. Warn if the file already exists.