FEAT: prefixed some command-line examples with the usual shell prompt `$`.
FEAT: prefixed some command-line examples with the usual shell prompt `$`.

red-eco/red,rheber/red,red-eco/red,iArnold/red,rheber/red,vehar/red,vehar/red,NikolayShubenkovProgSchool/red,iArnold/red,NikolayShubenkovProgSchool/red