prep a grid vm script

prep-grid-vm.sh

@@ -14,6 +14,13 @@ service docker start
 wget https://docs.grid.tf/threefold_public/public/raw/branch/master/add-tf-users.sh
 sh add-tf-users.sh
 
+# install Caddy
+apt install -y debian-keyring debian-archive-keyring apt-transport-https
+curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | tee /etc/apt/trusted.gpg.d/caddy-stable.asc
+curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt' | tee /etc/apt/sources.list.d/caddy-stable.list
+apt update
+apt install caddy -y
+
 # set propper sshd config
 wget https://docs.grid.tf/threefold_public/public/raw/branch/master/sshd_config
 cp sshd_config /etc/ssh/