Added System, fixed something with Domain, added 403, start of some other items

app/Http/Controllers/UserController.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+
+use App\Models\User;
+
+class UserController extends Controller
+{
+	public function __construct()
+	{
+		$this->middleware('can:admin');
+	}
+
+	/**
+	 * Add or edit a node
+	 */
+	public function add_edit(Request $request,User $o)
+	{
+		if ($request->post()) {
+			$request->validate([
+				'email' => 'required|email|unique:users,email,'.($o ? $o->id : NULL),
+			]);
+
+			foreach (['name','email','notes'] as $key)
+				$o->{$key} = $request->post($key);
+
+			$o->save();
+
+			return redirect()->action([self::class,'home']);
+		}
+
+		return view('user.addedit')
+			->with('o',$o);
+	}
+
+	public function home()
+	{
+		return view('user.home');
+	}
+}