Jinja-tree

- add toml extension

- Refactor plugins system to allow multiple plugins for context and action

> [!WARNING]
> This is a **BREAKING CHANGE** if you have tuned the default configuration file

* better dumps (use rich if available) in verbose mode
* add docker image

- less verbose logging by default (add a new `--verbose` cli flag)

- add a "urlencode" embedded jinja extension

- just a pypi publishing issue