Add user invitation facilities RSM-5

Adds user invitation to teams, and framework for assigning taems
Also adds user acc. deletion.

app/Mail/UserAccountDeleteConfirmation.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Mail;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+
+use App\User;
+
+class UserAccountDeleteConfirmation extends Mailable
+{
+    use Queueable, SerializesModels;
+
+
+
+    public $deleteToken;
+
+
+    public $cancelToken;
+
+
+    public $originalIP;
+
+
+    public $name;
+
+
+    public $userID;
+
+    /**
+     * Create a new message instance.
+     *
+     * @return void
+     */
+    public function __construct(User $user, array $tokens, string $originalIP)
+    {
+        $this->deleteToken = $tokens['delete'];
+        $this->cancelToken = $tokens['cancel'];
+
+        $this->originalIP = $originalIP;
+        $this->name = $user->name;
+        $this->userID = $user->id;
+    }
+
+    /**
+     * Build the message.
+     *
+     * @return $this
+     */
+    public function build()
+    {
+        return $this->view('mail.deleted-account');
+    }
+}