Document zsh use of both .zshenv and .zprofile.
Document zsh use of both .zshenv and .zprofile.

zenlambda/SublimeLinter3,smanolloff/SublimeLinter3,simonzack/SublimeLinter3,SublimeLinter/SublimeLinter3,SublimeLinter/SublimeLinter3,zenlambda/SublimeLinter3,ikappas/SublimeLinter3,jasonrhaas/SublimeLinter3,jasonrhaas/SublimeLinter3,ikappas/SublimeLinter3,simonzack/SublimeLinter3,smanolloff/SublimeLinter3