docs(mkdocs): add smarty extension for improved typography

Enable the smarty markdown extension to automatically convert quotes and dashes to their typographically correct equivalents. This enhances documentation readability by using proper typographic punctuation.

Author: liblaf

template/.config/copier/mkdocs.yaml.jinja

@@ -253,6 +253,9 @@ markdown_extensions:
     alternate_style: true
   pymdownx.tasklist:
 
+  # ref: <https://python-markdown.github.io/extensions/#officially-supported-extensions>
+  smarty:
+
   # ref: <https://github.com/radude/mdx_truly_sane_lists>
   mdx_truly_sane_lists: