doc: document new CSS variable for code highlighter

Author: peterpeterparker

docs/docs/components/app-components-highlight-code/app-components-highlight-code.md

@@ -78,6 +78,7 @@ The `<deckgo-highlight-code/>` could be styled using the following CSS4 variable
 
 | CSS4 variable                      | Default | Note |
 | -------------------------- |-----------------|-----------------|
+| --deckgo-highlight-code-display | block | The display property of the code |
 | --deckgo-highlight-code-color | inherit | The color of the displayed code |
 | --deckgo-highlight-code-background |  | The background of the displayed code |
 | --deckgo-highlight-code-padding |  | The padding of the displayed code |

docs/src/app/pages/docs/components/app-components-highlight-code/app-components-highlight-code.tsx

@@ -138,6 +138,11 @@ export class AppComponentsHighlightCode {
 </tr>
 </thead>
 <tbody><tr>
+<td>--deckgo-highlight-code-display</td>
+<td>block</td>
+<td>The display property of the code</td>
+</tr>
+<tr>
 <td>--deckgo-highlight-code-color</td>
 <td>inherit</td>
 <td>The color of the displayed code</td>