dashfolders: New Dashboard Folder page

Fixes #10083. Permissions page is just a placeholder
for now.

public/app/features/dashboard/folder_dashboards_ctrl.ts

@@ -0,0 +1,16 @@
+import {FolderPageLoader} from './folder_page_loader';
+
+export class FolderDashboardsCtrl {
+  navModel: any;
+  folderId: number;
+
+  /** @ngInject */
+  constructor(private backendSrv, navModelSrv, private $routeParams) {
+    if (this.$routeParams.folderId && this.$routeParams.type && this.$routeParams.slug) {
+      this.folderId = $routeParams.folderId;
+      this.navModel = navModelSrv.getNav('manage-folder', 'manage-folder-dashboards', 0);
+
+      new FolderPageLoader(this.backendSrv, this.$routeParams).load(this.navModel, this.folderId);
+    }
+  }
+}