Merge pull request #302 from alexislefebvre/2.x-doc-update-installation

doc: update installation

Author: alexislefebvre

doc/installation.md

@@ -1,31 +1,31 @@
-Installation
-============
+# Installation
 
- 1. Download the Bundle
+## 1. Download the Bundle
 
-    Open a command console, enter your project directory and execute the
-    following command to download the latest stable version of this bundle:
+Open a command console, enter your project directory and execute the
+following command to download the latest stable version of this bundle:
 
-    ```bash
-    $ composer require --dev liip/test-fixtures-bundle:^2.0.0
-    ```
+```shell
+composer require --dev liip/test-fixtures-bundle:^2.0.0
+```
 
-    >**Note** If you use Symfony 3.4, see the [documentation for 1.x](https://github.com/liip/LiipTestFixturesBundle/blob/1.x/README.md).
+> [!TIP]
+> If you use Symfony 3.4, see the [documentation for 1.x](https://github.com/liip/LiipTestFixturesBundle/blob/1.x/README.md).
 
-    This command requires you to have Composer installed globally, as explained
-    in the [installation chapter](https://getcomposer.org/doc/00-intro.md)
-    of the Composer documentation.
+This command requires you to have Composer installed globally, as explained
+in the [installation chapter](https://getcomposer.org/doc/00-intro.md)
+of the Composer documentation.
 
- 2. Enable the Bundle only in the test environment
+## 2. Enable the Bundle only in the test environment
 
-    Update the relevant line in the `config/bundles.php` file to enable this bundle only
-    for the `test` environment:
+Update the relevant line in the `config/bundles.php` file to enable this bundle only
+for the `test` environment:
 
-    ```diff
-     return [
-    -    Liip\TestFixturesBundle\LiipTestFixturesBundle::class => ['dev' => true, 'test' => true],
-    +    Liip\TestFixturesBundle\LiipTestFixturesBundle::class => ['test' => true],
-     ];
-    ```
+```diff
+ return [
+-    Liip\TestFixturesBundle\LiipTestFixturesBundle::class => ['dev' => true, 'test' => true],
++    Liip\TestFixturesBundle\LiipTestFixturesBundle::class => ['test' => true],
+ ];
+```
 
 [Configuration](./configuration.md) »