README formatting changed for the Powershell description
README formatting changed for the Powershell description

GitHubFriction/pywinrm,cchurch/pywinrm,max-orlov/pywinrm,cchurch/pywinrm,max-orlov/pywinrm,cchurch/pywinrm,luisfdez/pywinrm,max-orlov/pywinrm,GitHubFriction/pywinrm,GitHubFriction/pywinrm,diyan/pywinrm,luisfdez/pywinrm,luisfdez/pywinrm