properly use main for 2-word commands and add `ruboto gen key` as a wrapper around keytool
properly use main for 2-word commands and add `ruboto gen key` as a wrapper around keytool

Jodell88/ruboto,baberthal/ruboto,lucasallan/ruboto,ruboto/ruboto,baberthal/ruboto,Jodell88/ruboto,ruboto/ruboto,Jodell88/ruboto,ruboto/ruboto,lucasallan/ruboto,baberthal/ruboto,lucasallan/ruboto