Added custom database table names instructions in readme.

readme.md

@@ -45,14 +45,20 @@ Add the service provider to `config/app.php` under `providers`:
 
 Publish Assets
 
-	php artisan vendor:publish --provider="Cmgmyr\Messenger\MessengerServiceProvider"
+    php artisan vendor:publish --provider="Cmgmyr\Messenger\MessengerServiceProvider"
 
 Update config file to reference your User Model:
 
-	config/messenger.php
+    config/messenger.php
 
 Create a `users` table if you do not have one already. If you need one, simply use [this example](https://github.com/cmgmyr/laravel-messenger/blob/v2/src/Cmgmyr/Messenger/examples/create_users_table.php) as a starting point, then migrate.
 
+**(Optional)** Define names of database tables in package config file if you don't want to use default ones:
+
+    'messages_table' => 'messenger_messages',
+    'participants_table' => 'messenger_participants',
+    'threads_table' => 'messenger_threads',
+
 Migrate your database:
 
     php artisan migrate
@@ -62,7 +68,7 @@ Add the trait to your user model:
     use Cmgmyr\Messenger\Traits\Messagable;
 
     class User extends Model {
-    	use Messagable;
+        use Messagable;
     }