Converted a significant amount of files from js to ts.

modules/menus/calendar/calendar.ts

@@ -0,0 +1,22 @@
+const CalendarWidget = () => {
+  return Widget.Box({
+    class_name: "calendar-menu-item-container calendar",
+    hpack: "fill",
+    vpack: "fill",
+    expand: true,
+    child: Widget.Box({
+      class_name: "calendar-container-box",
+      child: Widget.Calendar({
+        expand: true,
+        hpack: "fill",
+        vpack: "fill",
+        class_name: "calendar-menu-widget",
+        showDayNames: true,
+        showDetails: false,
+        showHeading: true,
+      }),
+    }),
+  });
+};
+
+export { CalendarWidget };