Initial commit of docker compose project generator

Creates project directory structure in /docker
Creates docker-compose.yml with sensible defaults
Creates borgmatic config in /etc/borgmatic.d
Adds proxy info to caddyfile and reloads caddy
Config file generation done via jsonnet and yq
Borgmatic configured to backup to borgbase repo

create-all-borg-configs.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+for dir in /docker/*; do
+  if [ -d "$dir" ] && [ "$(basename "$dir")" != "scripts" ]; then
+    base_name=$(basename "$dir")
+    /code/scripts/docker-gen/docker-gen.sh "$base_name" --only-borgmatic
+  fi
+done