feat(top_level): Show usage if called without a command
feat(top_level): Show usage if called without a command

arvids/virtualfish,adambrenecki/virtualfish,KORKIMERA/virtualfish,scorphus/virtualfish,mbr/virtualfish,scorphus/virtualfish,mbr/virtualfish,KORKIMERA/virtualfish,adambrenecki/virtualfish,arvids/virtualfish