added page and edit backend for edit calendar by token

frontend/src/api/loadCalendar.ts

@@ -0,0 +1,16 @@
+import { Module } from "../model/module";
+import { Calendar } from "../model/calendar";
+
+export async function getCalender( token: string): Promise<Module[]> {
+  const request = new Request("/api/collections/feeds/records/" + token, {
+    method: "GET",
+  });
+
+  return await fetch(request)
+    .then((response) => {
+      return response.json();
+    })
+    .then(
+      (calendarResponse: Calendar) => calendarResponse.modules
+    );
+}