Add deploy script

.rsyncignore

@@ -0,0 +1,2 @@
+target/
+.env

scripts/deploy

@@ -0,0 +1,6 @@
+#!/usr/bin/env sh
+
+source .env
+ssh "$SSH_USER@$SSH_HOST" 'mv $DOCUMENT_ROOT/.env ~/.env'
+rsync --exclude-from=".rsyncignore" -rv . "$SSH_USER@$SSH_HOST:$DOCUMENT_ROOT" --delete
+ssh "$SSH_USER@$SSH_HOST" "mv ~/.env $DOCUMENT_ROOT/.env"