Improve installation instructions by excluding steps for manual setup

README.md

@@ -22,20 +22,20 @@ Completely framework-agnostic and database-agnostic.
 
 ## Installation
 
- * Set up the PHP library
+ 1. Include the library via [Composer](https://getcomposer.org/)
-   * Install via [Composer](https://getcomposer.org/) (recommended)
 
-     `$ composer require delight-im/auth`
+    ```
+    $ composer require delight-im/auth
+    ```
 
-     Include the Composer autoloader:
+ 1. Include the Composer autoloader:
 
-     `require __DIR__.'/vendor/autoload.php';`
+    ```php
+    require __DIR__ . '/vendor/autoload.php';
+    ```
+
+ 1. Set up a database and create the required tables
 
-   * or
-   * Install manually
-     * Copy the contents of the [`src`](src) directory to a subfolder of your project
-     * Include the files in your code via `require` or `require_once`
- * Set up a database and create the required tables
     * [MySQL](Database/MySQL.sql)
 
 ## Usage