Feature: quick start (#369)

* feat: quick start modal

* refactor: end message is part of view settings

* refactor: small tweaks and type improvements

packages/types/src/definitions/core/EventData.type.ts

@@ -4,5 +4,4 @@ export type EventData = {
   publicInfo: string;
   backstageUrl: string;
   backstageInfo: string;
-  endMessage: string;
 };

packages/types/src/definitions/core/Views.type.ts

@@ -1,3 +1,4 @@
 export type ViewSettings = {
   overrideStyles: boolean;
+  endMessage: string;
 }