Update readme.

Signed-off-by: crynobone <crynobone@gmail.com>

README.md

@@ -36,9 +36,9 @@ To install through composer, simply put the following in your `composer.json` fi
 
 ```json
 {
-	"require-dev": {
-		"orchestra/testbench": "~3.0"
-	}
+    "require-dev": {
+        "orchestra/testbench": "~3.0"
+    }
 }
 ```
 
@@ -48,7 +48,7 @@ And then run `composer install` from the terminal.
 
 Above installation can also be simplify by using the following command:
 
-	composer require --dev "orchestra/testbench=~3.0"
+    composer require --dev "orchestra/testbench=~3.0"
 
 ## Usage
 
@@ -57,8 +57,10 @@ To use Testbench Component, all you need to do is extend `Orchestra\Testbench\Te
 ```php
 <?php
 
-class TestCase extends Orchestra\Testbench\TestCase {}
-
+class TestCase extends Orchestra\Testbench\TestCase
+{
+    //
+}
 ```
 
 ### Custom Service Provider
@@ -68,7 +70,7 @@ To load your package service provider, override the `getPackageProviders`.
 ```php
 protected function getPackageProviders($app)
 {
-	return ['Acme\AcmeServiceProvider'];
+    return ['Acme\AcmeServiceProvider'];
 }
 ```
 
@@ -79,9 +81,9 @@ To load your package alias, override the `getPackageAliases`.
 ```php
 protected function getPackageAliases($app)
 {
-	return [
-		'Acme' => 'Acme\Facade'
-	];
+    return [
+        'Acme' => 'Acme\Facade'
+    ];
 }
 ```
 
@@ -95,9 +97,9 @@ Since `Orchestra\Testbench\TestCase` replace Laravel's `Illuminate\Foundation\Te
  */
 public function setUp()
 {
-	parent::setUp();
+    parent::setUp();
 
-	// Your code here
+    // Your code here
 }
 ```
 
@@ -112,7 +114,13 @@ If you need to add something early in the application bootstrapping process, you
  */
 protected function getEnvironmentSetUp($app)
 {
-	//
+    // Setup default database to use sqlite :memory:
+    $app['config']->set('database.default', 'testbench');
+    $app['config']->set('database.connections.testbench', [
+        'driver'   => 'sqlite',
+        'database' => ':memory:',
+        'prefix'   => '',
+    ]);
 }
 ```
 
@@ -167,6 +175,17 @@ protected function getApplicationTimezone($app)
 }
 ```
 
+### Using Migrations
+
+Testbench include a custom migrations command that support `realpath` option instead of the basic relative `path` option, this would make it easier for you to run database migrations during testing by just including the full realpath to your package database/migration folder.
+
+```php
+$this->artisan('migrate', [
+    '--database' => 'testbench',
+    '--realpath' => realpath(__DIR__.'/../migrations'),
+]);
+```
+
 ## Example
 
 To see a working example of testbench including how to set your configuration, check the file: