Implement PHP CS Fixer and a coding standard to follow (#471)

* Create PHP CS Fixer config and add to CI workflow

* Run php cs fixer on project

* Add newline at end of file

* Update to use PHP CS Fixer v3

* Run v3 config on project

* Run seperate config in CI

app/Console/Kernel.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace Crater\Console;
 
 use Illuminate\Console\Scheduling\Schedule;
@@ -13,7 +14,7 @@ class Kernel extends ConsoleKernel
      */
     protected $commands = [
         Commands\ResetApp::class,
-        Commands\UpdateCommand::class
+        Commands\UpdateCommand::class,
     ];
 
     /**