docs: highlight npx in bash blocks and polish English copy

Use Prism insertBefore for CLI commands like npx, tighten tutorial and reference wording, and keep YAML titles free of backticks so sidebar and page headings stay correct.

Co-authored-by: Cursor <[email protected]>

docs/source/tutorials/partials-and-layouts.md

@@ -25,7 +25,7 @@ color: 'red' shape: 'circle'
 color: 'yellow' shape: 'square'
 ```
 
-More details please refer to the [render](../tags/render.html) tag.
+For more details, see the [render](../tags/render.html) tag.
 
 {% note tip The ".liquid" Extension %}
 The ".liquid" extension in <code>layout</code>, <code>render</code> and <code>include</code> can be omitted if Liquid instance is created using `extname: ".liquid"` option. See <a href="./options.html#extname">the extname option</a> for details.
@@ -54,4 +54,4 @@ My page content
 Footer
 ```
 
-More details please refer to the [layout](../tags/layout.html) tag.
+For more details, see the [layout](../tags/layout.html) tag.