prepare CalendarPageViewModel, allow TaskViewModel to be used by BoardViewModel or CalendarPageViewModel

src/View/ChatPages/calendarPage.tsx

@@ -0,0 +1,9 @@
+import * as React from "bloatless-react";
+
+import CalendarPageViewModel from "../../ViewModel/Pages/calendarPageViewModel";
+
+export function CalendarPage(calendarPageViewModel: CalendarPageViewModel) {
+  calendarPageViewModel.loadData();
+
+  return <div id="calendar-page"></div>;
+}