Add --version flag to view currently installed version #4
Description
$ nucypher-ops --version
Usage: nucypher-ops [OPTIONS] COMMAND [ARGS]...
Try 'nucypher-ops --help' for help.
Error: No such option: --version
{{ message }}
$ nucypher-ops --version
Usage: nucypher-ops [OPTIONS] COMMAND [ARGS]...
Try 'nucypher-ops --help' for help.
Error: No such option: --version