fix some psr2 code

app/Mail/NewUserInvitation.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Mail;
+
+use App\User;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+
+class NewUserInvitation extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    /**
+     * @var User
+     */
+    private $user;
+
+    /**
+     * Create a new message instance.
+     *
+     * @param User $user
+     */
+    public function __construct(User $user)
+    {
+        $this->user = $user;
+    }
+
+    /**
+     * Build the message.
+     *
+     * @return $this
+     */
+    public function build()
+    {
+        return $this->from('portal@bricooli.fr')
+            ->markdown('mail.new-user-invitation')
+            ->with([
+                'user' => $this->user,
+            ]);
+    }
+}