[Console] Update some contents of the Tree helper

Author: javiereguiluz

components/console/helpers/tree.rst

@@ -105,19 +105,30 @@ You can build a tree by creating a new instance of the
     use Symfony\Component\Console\Helper\TreeHelper;
     use Symfony\Component\Console\Helper\TreeNode;
 
-    $node = TreeNode::fromValues([
-        'Command',
-        'Controller' => [
-            'DefaultController.php',
-        ],
-        'Kernel.php',
-    ]);
-    $node->addChild('templates');
-    $node->addChild('tests');
-
-    $tree = TreeHelper::createTree($io, $node);
+    $root = new TreeNode('my-project/');
+    // you can pass a string directly or create a TreeNode object
+    $root->addChild('src/');
+    $root->addChild(new TreeNode('templates/'));
+
+    // create nested structures by adding child nodes to other nodes
+    $testsNode = new TreeNode('tests/');
+    $functionalTestsNode = new TreeNode('Functional/');
+    $testsNode->addChild($functionalTestsNode);
+    $root->addChild(testsNode);
+
+    $tree = TreeHelper::createTree($io, $root);
     $tree->render();
 
+This example outputs:
+
+.. code-block:: terminal
+
+    my-project/
+    ├── src/
+    ├── templates/
+    └── tests/
+        └── Functional/
+
 Customizing the Tree Style
 --------------------------
 
@@ -133,7 +144,11 @@ output of the tree::
     $tree = TreeHelper::createTree($io, $node, [], TreeStyle::compact());
     $tree->render();
 
-``TreeHelper::createTree($io, $node, [], TreeStyle::default())`` (`details`_)
+**Default**::
+
+    TreeHelper::createTree($io, $node, [], TreeStyle::default());
+
+This outputs:
 
 .. code-block:: terminal
 
@@ -150,7 +165,11 @@ output of the tree::
     └── templates
        └── base.html.twig
 
-``TreeHelper::createTree($io, $node, [], TreeStyle::box())`` (`details`_)
+**Box**:
+
+    TreeHelper::createTree($io, $node, [], TreeStyle::box());
+
+This outputs:
 
 .. code-block:: terminal
 
@@ -167,7 +186,11 @@ output of the tree::
     ┗╸ templates
        ┗╸ base.html.twig
 
-``TreeHelper::createTree($io, $node, [], TreeStyle::doubleBox())`` (`details`_)
+**Double box**::
+
+    TreeHelper::createTree($io, $node, [], TreeStyle::doubleBox());
+
+This outputs:
 
 .. code-block:: terminal
 
@@ -184,7 +207,11 @@ output of the tree::
     ╚═ templates
       ╚═ base.html.twig
 
-``TreeHelper::createTree($io, $node, [], TreeStyle::compact())`` (`details`_)
+**Compact**::
+
+    TreeHelper::createTree($io, $node, [], TreeStyle::compact());
+
+This outputs:
 
 .. code-block:: terminal
 
@@ -201,7 +228,11 @@ output of the tree::
     └ templates
       └ base.html.twig
 
-``TreeHelper::createTree($io, $node, [], TreeStyle::light())`` (`details`_)
+**Light**::
+
+    TreeHelper::createTree($io, $node, [], TreeStyle::light());
+
+This outputs:
 
 .. code-block:: terminal
 
@@ -218,7 +249,11 @@ output of the tree::
     `-- templates
         `-- base.html.twig
 
-``TreeHelper::createTree($io, $node, [], TreeStyle::minimal())`` (`details`_)
+**Minimal**::
+
+    TreeHelper::createTree($io, $node, [], TreeStyle::minimal());
+
+This outputs:
 
 .. code-block:: terminal
 
@@ -235,7 +270,11 @@ output of the tree::
     . templates
       . base.html.twig
 
-``TreeHelper::createTree($io, $node, [], TreeStyle::rounded())`` (`details`_)
+**Rounded**:
+
+    TreeHelper::createTree($io, $node, [], TreeStyle::rounded());
+
+This outputs:
 
 .. code-block:: terminal
 
@@ -291,5 +330,3 @@ The above code will output the following tree:
     🔵 🟢 🟠 🟡 Kernel.php
     🔵 🟠 🟡 templates
     🔵 🔴 🟠 🟡 base.html.twig
-
-.. _`details`: https://github.com/symfony/symfony/blob/7.3/src/Symfony/Component/Console/Helper/TreeStyle.php