Add zsh to on vagrant provision

Vagrantfile

    config.vm.provision "shell" do |s|
      s.name = "Install oh-my-zsh"
      s.privileged = false
      s.inline = <<-SHELL
        sudo apt install -y zsh
        wget -O ~/.zshrc https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/templates/zshrc.zsh-template
        sudo chsh -s /bin/zsh vagrant
      SHELL
    end