Add maker bundle information

[DennisdeBest]

Add information on how to use the maker bundle to craete twig components, especially on how to create them in a subdirectory

Q	A
Bug fix?	no
New feature?	no

[Kocal]

Hi @DennisdeBest, while I find this addition very nice, I think it's too much verbose, the Twig Component documentation is already so long!

A small paragraph inside a .. tip with a simple example and a link to the MakerBundle would be enough.
We do not need to:

• tell about creating a component in a sub-directory, this should be documented in Maker's documentation
• tell what and where files were created, since the command already display this information

Thanks!

[Kocal]

Suggested change

	You can also use the ``make`` commands to generate the component PHP and twig files :
	.. code-block:: terminal
	$ php bin/console make:twig-component Alert
	If you want your component to reside in a sub directory like ``src/twig/Components/Alert/`` and make a specific component for a Danger alert you can run:
	.. code-block:: terminal
	$ php bin/console make:twig-component Alert\\Danger
	Or:
	.. code-block:: terminal
	$ php bin/console make:twig-component 'Alert\Danger'
	This wil render the php file at ``src\twig\Components\Alert\Danger.php`` and the twig file at ``templates\components\Alert\Danger.html.twig``
	.. tip
	If you use the Symfony Maker Bundle (...):
	.. code-block:: terminal
	$ php bin/console make:twig-component Alert

Is enough, feel free to complete the first sentence

[smnandre]

I'd like this block to be later in the doc... maybe with just a link here pointing at this block ?

I feel it's a bit early to tell people to run "make component" when the full concept, the paths, etc... are not yet explained