* replace Bootstrap-based styling with Tailwind CSS
* update theme compatibility for latest Hugo version
* refactor templates and partials
* fix outdated code and broken components
* improve project structure and maintainability
* optimize styling and frontend build setup
The documentation seems to be inconsistent with the `config.toml` file, in that it places the submodule under `themes/roxo` and not `themes/roxo-hugo`, while the config file points to `roxo-hugo` (fixes#25).