docs: switch to fenced codeblocks (#31806)

site/content/docs/5.0/getting-started/webpack.md

@@ -14,17 +14,17 @@ toc: true
 
 Import [Bootstrap's JavaScript]({{< docsref "/getting-started/javascript" >}}) by adding this line to your app's entry point (usually `index.js` or `app.js`):
 
-{{< highlight js >}}
+```js
 // You can specify which plugins you need
 import { Tooltip, Toast, Popover } from 'bootstrap';
-{{< /highlight >}}
+```
 
 Alternatively, if you only need just a few of our plugins, you may **import plugins individually** as needed:
 
-{{< highlight js >}}
+```js
 import Alert from 'bootstrap/js/dist/alert';
 ...
-{{< /highlight >}}
+```
 
 Bootstrap depends on [Popper](https://popper.js.org/), which is specified in the `peerDependencies` property.
 This means that you will have to make sure to add it to your `package.json` using `npm install popper.js`.
@@ -37,14 +37,14 @@ To enjoy the full potential of Bootstrap and customize it to your needs, use the
 
 First, create your own `_custom.scss` and use it to override the [built-in custom variables]({{< docsref "/customize/sass" >}}). Then, use your main Sass file to import your custom variables, followed by Bootstrap:
 
-{{< highlight scss >}}
+```scss
 @import "custom";
 @import "~bootstrap/scss/bootstrap";
-{{< /highlight >}}
+```
 
 For Bootstrap to compile, make sure you install and use the required loaders: [sass-loader](https://github.com/webpack-contrib/sass-loader), [postcss-loader](https://github.com/webpack-contrib/postcss-loader) with [Autoprefixer](https://github.com/postcss/autoprefixer#webpack). With minimal setup, your webpack config should include this rule or similar:
 
-{{< highlight js >}}
+```js
 // ...
 {
   test: /\.(scss)$/,
@@ -75,19 +75,19 @@ For Bootstrap to compile, make sure you install and use the required loaders: [s
   }]
 }
 // ...
-{{< /highlight >}}
+```
 
 ### Importing Compiled CSS
 
 Alternatively, you may use Bootstrap's ready-to-use CSS by simply adding this line to your project's entry point:
 
-{{< highlight js >}}
+```js
 import 'bootstrap/dist/css/bootstrap.min.css';
-{{< /highlight >}}
+```
 
 In this case you may use your existing rule for `css` without any special modifications to webpack config, except you don't need `sass-loader` just [style-loader](https://github.com/webpack-contrib/style-loader) and [css-loader](https://github.com/webpack-contrib/css-loader).
 
-{{< highlight js >}}
+```js
 // ...
 module: {
   rules: [
@@ -101,4 +101,4 @@ module: {
   ]
 }
 // ...
-{{< /highlight >}}
+```