Added docker compose generator if docker is enabled (#175)

* Added docker compose generator if docker is enabled

* Fixed version to 3.3

* fixed name in to_yaml.js

* Apply suggestions from code review

Co-authored-by: Matt (IPv4) Cowley <me@mattcowley.co.uk>

package.json

@@ -45,6 +45,7 @@
     "do-vue": "git+https://github.com/do-community/do-vue.git",
     "escape-html": "^1.0.3",
     "files-diff": "0.0.3",
+    "js-yaml": "^3.14.0",
     "memory-tar-create": "0.0.2",
     "pretty-checkbox-vue": "^1.1.9",
     "prismjs": "^1.21.0",