Set up a new machine

1. Run xcode-select --install (or otherwise install git)
2. Install Strongbox via App Store
3. Enable the Strongbox SSH Agent
4. Run sh ./configure-strongbox.sh
5. Copy your git SSH public key to ~/.ssh/alomas-git.pub to enable git signing
6. Run git@github.com:lowmess/dotfiles.git from the home directory
7. Run sh ./install.sh from within the dotfiles repo
8. Have fun setting up all those apps you just downloaded