cli2.0: conan remote command proposal (#7401)
cli2.0: conan remote command proposal (#7401)

* pre-draft of conan user with subcommands

* complete conan user subcommands

* draft with sub decorator

* refactor

* bypass parse_args with subcommands

* raise if incorrect naming

* fix argument order

* draft of conan remote command

* require url

* require at least one argument for remote update

* remove some comments

* return list, remove results

* change required to positional

* revision

* enabled attribute

* fix enable/disable help message

* fix typo

* remove short arguments

* fix arguments

* change ssl arg
conan-io/conan,conan-io/conan,conan-io/conan