Make readme more readable for freshman (#675)

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* Cleanup REadme

* Cleanup REadme

* Cleanup REadme

* Cleanup Readme

* Cleanup Readme

* add receommendations

* improve formating

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* improve formating

* improve formating

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* Cleanup

* Cleanup Helpers

* Reordering paragraphs

* Update index

Author: niels-numbers

ADDITIONS.md

@@ -0,0 +1,61 @@
+# Additional information
+
+## Installation
+
+### For Laravel 5.4 and below:
+
+For older versions of the framework, follow the steps below:
+
+Register the service provider in `config/app.php`
+
+```php
+        'providers' => [
+		// [...]
+                Mcamara\LaravelLocalization\LaravelLocalizationServiceProvider::class,
+        ],
+```
+
+You may also register the `LaravelLocalization` facade:
+
+```php
+        'aliases' => [
+		// [...]
+                'LaravelLocalization' => Mcamara\LaravelLocalization\Facades\LaravelLocalization::class,
+        ],
+```
+
+## Config
+
+### Service Providers
+
+Otherwise, you can use `ConfigServiceProviders` (check <a href="https://raw.githubusercontent.com/mcamara/laravel-localization/master/src/config/config.php">this file</a> for more info).
+
+For example, editing the default config service provider that Laravel loads when it's installed. This file is placed in `app/providers/ConfigServicePovider.php` and would look like this:
+
+```php
+<?php namespace App\Providers;
+
+use Illuminate\Support\ServiceProvider;
+
+class ConfigServiceProvider extends ServiceProvider {
+	public function register()
+	{
+		config([
+			'laravellocalization.supportedLocales' => [
+				'ace' => array( 'name' => 'Achinese', 'script' => 'Latn', 'native' => 'Aceh' ),
+				'ca'  => array( 'name' => 'Catalan', 'script' => 'Latn', 'native' => 'català' ),
+				'en'  => array( 'name' => 'English', 'script' => 'Latn', 'native' => 'English' ),
+			],
+
+			'laravellocalization.useAcceptLanguageHeader' => true,
+
+			'laravellocalization.hideDefaultLocaleInURL' => true
+		]);
+	}
+
+}
+```
+
+This config would add Catalan and Achinese as languages and override any other previous supported locales and all the other options in the package.
+
+You can create your own config providers and add them on your application config file (check the providers array in `config/app.php`).