Add scripts/dev-vm ssh & copy ssh key to dev-vm

What does this MR do?

Adds a new scripts/dev-vm ssh command. Updates the new command to wait for the machine to boot, and attempt to copy a user's public key to the machine so we don't need to paste the password each time we connect to it

Why was this MR needed?

Stop going into 1password to copy passwords

What's the best way to test this MR?

1. Connect to the VPN scripts/vpn.sh

2. scripts/dev-vm new should wait for the machine to boot and automatically copy the ssh key

3. scripts/dev-vm ssh should connect without password prompts

What are the relevant issue numbers?