- add methods for releasing datasets from submitter

- npm updates
- side menu with child items
- flash messages via HttpContext response (extended via macro)

contracts/response.ts

@@ -0,0 +1,7 @@
+declare module '@ioc:Adonis/Core/Response' {
+    interface ResponseContract {
+        flash(key: string, message: any): this;
+
+        toRoute(route: string): this;
+    }
+}