Update the vagrant init Vagrantfile to have new network syntax

templates/commands/init/Vagrantfile.erb

@@ -16,11 +16,11 @@ Vagrant.configure("2") do |config|
   # Create a forwarded port mapping which allows access to a specific port
   # within the machine from a port on the host machine. In the example below,
   # accessing "localhost:8080" will access port 80 on the guest machine.
-  # config.vm.network :forwarded_port, 80, 8080
+  # config.vm.network :forwarded_port, guest: 80, host: 8080
 
   # Create a private network, which allows host-only access to the machine
   # using a specific IP.
-  # config.vm.network :private_network, "192.168.33.10"
+  # config.vm.network :private_network, ip: "192.168.33.10"
 
   # Create a public network, which generally matched to bridged network.
   # Bridged networks make the machine appear as another physical device on