feat: timetable module - schedule and calendar

src/app/util/util.module.ts

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2021 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {NgModule} from '@angular/core';
+import {ArrayLastPipe} from './array-last.pipe';
+import {DateIsThisPipe} from './date-is-today.pipe';
+import {NullishCoalescingPipe} from './nullish-coalecing.pipe';
+
+@NgModule({
+  declarations: [ArrayLastPipe, DateIsThisPipe, NullishCoalescingPipe],
+  exports: [ArrayLastPipe, DateIsThisPipe, NullishCoalescingPipe],
+})
+export class UtilModule {}