Add big list of Reveal.js slide attributes to the docs

exampleSite/content/home/shortcodes/slide.md

@@ -6,8 +6,6 @@ weight = 34
 
 Customize individual slide attributes like id, background color and transition. Use the same keys as Reveal.js but omit the 'data-' prefix.
 
-[See more attributes](https://github.com/hakimel/reveal.js#slide-attributes)
-
 ---
 
 {{% slide id="custom-1" transition="zoom" transition-speed="fast" %}}
@@ -55,6 +53,32 @@ Go to [custom slide 1](#custom-1)
 
 ---
 
+Slide attribute possibilities from the [Reveal.js docs](https://github.com/hakimel/reveal.js):
+
+- `autoslide`
+- `state`
+- `background`
+- `background-color`
+- `background-image`
+- `background-size`
+- `background-position`
+- `background-repeat`
+
+---
+
+- `background-video`
+- `background-video-loop`
+- `background-video-muted`
+- `background-interactive`
+- `background-iframe`
+- `background-transition`
+- `transition` (can have different in and out transitions)
+- `transition-speed`
+- `notes` (can also use the note shortcode)
+- `timing`
+
+---
+
 {{% section %}}
 
 {{% slide content="home.example" /%}}