Use Terraform to Provision Linode Environments Proposed Changes

[boxed]

Link: https://linode.com/docs/applications/configuration-management/how-to-build-your-infrastructure-using-terraform-and-linode/

Issue

Installation description on mac should suggest homebrew.

Suggested Fix

"Or if you're on macOS, use homebrew: brew install terraform" and skip to #building-with-the-linode-provider"

[andystevensname]

Thanks for the suggestion, we'll include the changes in our next release.