minor #11779 Added some link in the "Learn More" section of Asset component (javiereguiluz)

This PR was squashed before being merged into the 3.4 branch (closes #11779).

Discussion
----------

Added some link in the "Learn More" section of Asset component

Commits
-------

ba61bca Added some link in the \"Learn More\" section of Asset component

Author: javiereguiluz

components/asset.rst

@@ -153,7 +153,7 @@ corresponding output file:
         "...": "..."
     }
 
-In those cases, use the 
+In those cases, use the
 :class:`Symfony\\Component\\Asset\\VersionStrategy\\JsonManifestVersionStrategy`::
 
     use Symfony\Component\Asset\Package;
@@ -373,5 +373,8 @@ document inside a template::
 Learn more
 ----------
 
+* :doc:`How to manage CSS and JavaScript assets in Symfony applications </frontend>`
+* :doc:`WebLink component </components/web_link>` to preload assets using HTTP/2.
+
 .. _Packagist: https://packagist.org/packages/symfony/asset
 .. _`Webpack`: https://webpack.js.org/