Add landing page

private/kirby/config/api/routes/roles.php

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * Roles Routes
+ */
+return [
+    [
+        'pattern' => 'roles',
+        'method'  => 'GET',
+        'action'  => function () {
+            switch (get('canBe')) {
+                case 'changed':
+                    return $this->kirby()->roles()->canBeChanged();
+                case 'created':
+                    return $this->kirby()->roles()->canBeCreated();
+                default:
+                    return $this->kirby()->roles();
+            }
+        }
+    ],
+    [
+        'pattern' => 'roles/(:any)',
+        'method'  => 'GET',
+        'action'  => function (string $name) {
+            return $this->kirby()->roles()->find($name);
+        }
+    ]
+];