Add demo cast, and create demo folder

demo/demo.sh

@@ -0,0 +1,25 @@
+# This script is intended to be run by `doitlive`[0], so it deliberately doesn't
+# log the commands it's running -- as `doitlive` will display them. You can also
+# run this using `bash.sh`, in which case it might be helpful to uncomment the
+# `set -x` line below to see what this script is doing.
+#
+# [0]: https://doitlive.readthedocs.io/
+
+#set -x
+
+export ABRA_DIR=/tmp/abra_demo
+mkdir -p $ABRA_DIR
+
+curl https://install.abra.autonomic.zone | bash -s -- --dev
+
+abra server add demo.autonomic.zone calix 222
+
+abra server demo.autonomic.zone init
+
+abra app new traefik --server demo.autonomic.zone --domain demo.autonomic.zone --app-name traefik_demo
+
+abra -n app traefik_demo deploy --no-domain-poll
+
+abra -n app new gitea --server demo.autonomic.zone --domain git.demo.autonomic.zone --app-name gitea_demo --secrets
+
+abra -n app gitea_demo deploy