Add plugin and bundle.

composer.json

@@ -33,7 +33,8 @@
     "doctrine/cache": "^1.0"
   },
   "require-dev": {
-    "phpcq/all-tasks": "^1.2"
+    "phpcq/all-tasks": "^1.2",
+    "contao/manager-plugin": "^2.1"
   },
   "autoload": {
     "psr-4": {
@@ -51,12 +52,8 @@
       "dev-develop": "2.1.x-dev",
       "dev-release/3.0.0": "3.0.x-dev"
     },
+    "contao-manager-plugin": "Netzmacht\\Contao\\Leaflet\\ContaoManager\\Plugin",
     "contao": {
-      "sources": {
-        "module": "system/modules/leaflet",
-        "assets/maps": "assets/leaflet/maps",
-        "assets/js": "assets/leaflet/js"
-      },
       "transifex": {
         "project": "contao-leaflet-maps",
         "prefix": "core-",

src/ContaoManager/Plugin.php

@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * Leaflet maps for Contao CMS.
+ *
+ * @package    contao-leaflet-maps
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016-2017 netzmacht David Molineus. All rights reserved.
+ * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-maps/blob/master/LICENSE
+ * @filesource
+ */
+
+namespace Netzmacht\Contao\Leaflet\ContaoManager;
+
+use Contao\CoreBundle\ContaoCoreBundle;
+use Contao\ManagerPlugin\Bundle\BundlePluginInterface;
+use Contao\ManagerPlugin\Bundle\Config\BundleConfig;
+use Contao\ManagerPlugin\Bundle\Parser\ParserInterface;
+use Netzmacht\Contao\Leaflet\NetzmachtContaoLeafletBundle;
+use Netzmacht\Contao\Toolkit\NetzmachtContaoToolkitBundle;
+
+/**
+ * Contao manager plugin.
+ *
+ * @package Netzmacht\Contao\Leaflet\ContaoManager
+ */
+class Plugin implements BundlePluginInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getBundles(ParserInterface $parser)
+    {
+        return [
+            BundleConfig::create(NetzmachtContaoLeafletBundle::class)
+                ->setLoadAfter([ContaoCoreBundle::class, NetzmachtContaoToolkitBundle::class])
+                ->setReplace(['leaflet'])
+        ];
+    }
+}

src/NetzmachtContaoLeafletBundle.php

@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * Leaflet maps for Contao CMS.
+ *
+ * @package    contao-leaflet-maps
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016-2017 netzmacht David Molineus. All rights reserved.
+ * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-maps/blob/master/LICENSE
+ * @filesource
+ */
+
+declare(strict_types=1);
+
+namespace Netzmacht\Contao\Leaflet;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+
+/**
+ * Class NetzmachtContaoLeafletBundle.
+ *
+ * @package Netzmacht\Contao\Leaflet
+ */
+class NetzmachtContaoLeafletBundle extends Bundle
+{
+}