docs: update content

Author: mrholek

docs/content/getting-started/parcel.md

@@ -123,13 +123,17 @@ Importing CoreUI into Parcel requires two imports, one into our `styles.scss` an
    {{< callout-dart-sass-modules >}}
 
    ```scss
-   // Import all of CoreUI's CSS
+   // Use all of CoreUI's CSS
    @use "~@coreui/coreui/scss/coreui";
+
+   // Or use all of CoreUI PRO's CSS
+   @use "~@coreui/coreui-pro/scss/coreui";
    ```
 
    {{< callout-dart-sass-deprecations >}}
 
    ```scss
+   // Import all of CoreUI's CSS
    @import "~@coreui/coreui/scss/coreui";
 
    // Or import all of CoreUI PRO's CSS

docs/content/getting-started/vite.md

@@ -159,8 +159,11 @@ In the next and final section to this guide, we’ll import all of CoreUI’s CS
   {{< callout-dart-sass-modules >}}
 
    ```scss
-   // Import all of CoreUI's CSS
+   // Use all of CoreUI's CSS
    @use "~@coreui/coreui/scss/coreui";
+
+   // Or use all of CoreUI PRO's CSS
+   @use "~@coreui/coreui-pro/scss/coreui";
    ```
 
    {{< callout-dart-sass-deprecations >}}

docs/content/getting-started/webpack.md

@@ -195,13 +195,17 @@ Importing CoreUI into Webpack requires the loaders we installed in the first sec
   {{< callout-dart-sass-modules >}}
 
    ```scss
-   // Import all of CoreUI's CSS
+   // Use all of CoreUI's CSS
    @use "~@coreui/coreui/scss/coreui";
+
+   // Or use all of CoreUI PRO's CSS
+   @use "~@coreui/coreui-pro/scss/coreui";
    ```
 
    {{< callout-dart-sass-deprecations >}}
 
    ```scss
+   // Import all of CoreUI's CSS
    @import "~@coreui/coreui/scss/coreui";
 
    // Or import all of CoreUI PRO's CSS