Coltrane

- Include variables from `.env` file in `settings.ENV`.
- Rewrite all docs to remove any perceived dependency on `poetry`.
- Create nested folder structure for new sites.

- Add `coltrane` context template variable to expose the `coltrane` settings.
- Add support for [`django-compressor`](installation.mdextras).
- Add support for [redirects](redirects.md).

- Bump `rich-click` dependency and slightly better command aliases support.

- Parse JSON5 data as UTF-8.

- Add `pubdate` to RSS feed [61](https://github.com/adamghill/coltrane/pull/61) by [Tobi-De](https://github.com/Tobi-De).
- Support setting a custom `TIME_ZONE`.

- Create example `Dockerfile` and `gunicorn.conf.py` files for easier deployments of `coltrane` apps.
- [Add the ability](installation.mdextras) to use [JSON5](https://json5.org) for data files.

**Breaking changes**

- Remove loading `data.json`. All data should be in JSON files in the `data` directory.
- The default markdown renderer is now `mistune` instead of `markdown2`. The next version of `coltrane` will remove the option to use `markdown2`.