Messaging infrastructure

Put together a quick test to get internal messaging working for appeals
and joining current sources requests. Now that it works, forms that will
leverage messaging will be created.

app/Http/Controllers/AppealMailController.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Mail\LocationAppeal;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Mail;
+
+class AppealMailController extends Controller
+{
+    /**
+     * Send appeal request
+     */
+    public function sendAppeal(Request $request): RedirectResponse
+    {
+        //$order = Order::findOrFail($request->order_id);
+
+        Mail::to('ro@h-i.works')->send(new LocationAppeal());
+
+        return redirect('/appeals');
+    }
+}