feat: ✨ justfile recipe to preview docs (#173)

# Description

Copying over from
seedcase-project/seedcase-sprout#1593, see
rationale there

This PR needs a quick review.

## Checklist

- [ ] Formatted Markdown
- [ ] Ran `just run-all`

---------

Co-authored-by: Luke W. Johnston <lwjohnst86@users.noreply.github.com>

Author: joelostblom

template/justfile

@@ -58,3 +58,20 @@ update-from-template:
 # Reset repo changes to match the template
 reset-from-template:
   uvx copier recopy --trust --defaults
+
+# Build the Python docstrings as a section in the website using quartodoc
+build-quartodoc:
+  # To let Quarto know where python is.
+  export QUARTO_PYTHON=.venv/bin/python3
+  # Delete any previously built files from quartodoc.
+  # -f is to not give an error if the files don't exist yet.
+  rm -rf docs/reference
+  uv run quartodoc build
+
+# Build the documentation website using Quarto
+build-website: build-quartodoc
+  uv run quarto render --execute
+
+# Preview the documentation website with automatic reload on changes
+preview-website: build-quartodoc
+  uv run quarto preview --execute