modules/doc: Add route 'modules/doc/icingaweb' to display Icinga Web 2's documentation

refs #4820

modules/doc/application/controllers/IcingawebController.php

@@ -0,0 +1,13 @@
+<?php
+// {{{ICINGA_LICENSE_HEADER}}}
+// {{{ICINGA_LICENSE_HEADER}}}
+
+use Icinga\Module\Doc\Controller as DocController;
+
+class Doc_IcingawebController extends DocController
+{
+    public function indexAction()
+    {
+        $this->populateView();
+    }
+}

modules/doc/application/views/scripts/icingaweb/index.phtml

@@ -0,0 +1,9 @@
+<h1>Icinga Web 2 Documentation</h1>
+<?= $this->partial(
+  'partials/docandtoc.phtml',
+    'doc',
+    array(
+      'docToc'  => $docToc,
+      'docHtml' => $docHtml
+    )
+); ?>