docs: use a propertylist to document shortcode attributes (#732)

exampleSite/content/en/shortcodes/katex.md

@@ -4,7 +4,7 @@ title: KaTeX
 
 [KaTeX](https://katex.org/) shortcode let you render math typesetting in markdown document.
 
-## Example
+## Usage
 
 ```latex
 {{</* katex [display] [class="text-center"] */>}}
@@ -12,6 +12,16 @@ f(x) = \int_{-\infty}^\infty\hat f(\xi)\,e^{2 \pi i \xi x}\,d\xi
 {{</* /katex */>}}
 ```
 
+### Attributes
+
+<!-- prettier-ignore-start -->
+<!-- spellchecker-disable -->
+{{< propertylist name=shortcode-katex sort=name order=asc >}}
+<!-- spellchecker-enable -->
+<!-- prettier-ignore-end -->
+
+## Example
+
 <!-- spellchecker-disable -->
 <!-- prettier-ignore -->
 {{< katex display >}}
@@ -20,4 +30,4 @@ f(x) = \int_{-\infty}^\infty\hat f(\xi)\,e^{2 \pi i \xi x}\,d\xi
 
 <!-- spellchecker-enable -->
 
-KaTeX can be used inline, for example {{< katex >}}\pi(x){{< /katex >}} or used with the `display` parameter (see above).
+KaTeX can be used inline, for example {{< katex >}}\pi(x){{< /katex >}} or used with the `display` parameter as above.