feat(plugins): work on setup wizard started

public/app/core/services/util_srv.ts

@@ -0,0 +1,41 @@
+///<reference path="../../headers/common.d.ts" />
+
+import config from 'app/core/config';
+import _ from 'lodash';
+import $ from 'jquery';
+
+import coreModule from 'app/core/core_module';
+import appEvents from 'app/core/app_events';
+
+export class UtilSrv {
+
+  /** @ngInject */
+  constructor(private $rootScope, private $modal) {
+  }
+
+  init() {
+    appEvents.on('show-modal', this.showModal.bind(this), this.$rootScope);
+  }
+
+  showModal(options) {
+    if (options.model) {
+      options.scope = this.$rootScope.$new();
+      options.scope.model = options.model;
+    }
+
+    var modal = this.$modal({
+      modalClass: options.modalClass,
+      template: options.src,
+      persist: false,
+      show: false,
+      scope: options.scope,
+      keyboard: false
+    });
+
+    Promise.resolve(modal).then(function(modalEl) {
+      modalEl.modal('show');
+    });
+  }
+}
+
+coreModule.service('utilSrv', UtilSrv);