Chore: Check for deprecations using eslint plugin

Chore: environment file replacement stopped.
Chore: All components are now standalone and removed all modules
Chore: App routing is now in app.routes and similarly for all submodules
Chore: Http interceptors are now functional and split refresh interceptor into a separate one.

overlord/src/app/employee-attendance/employee-attendance.component.ts

@@ -1,7 +1,29 @@
+import { AsyncPipe } from '@angular/common';
 import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core';
-import { FormArray, FormControl, FormGroup } from '@angular/forms';
-import { MatAutocompleteSelectedEvent } from '@angular/material/autocomplete';
+import { FormArray, FormControl, FormGroup, ReactiveFormsModule } from '@angular/forms';
+import { MatAutocompleteSelectedEvent, MatAutocompleteTrigger, MatAutocomplete } from '@angular/material/autocomplete';
+import { MatButton } from '@angular/material/button';
+import { MatCard, MatCardHeader, MatCardTitle, MatCardContent, MatCardActions } from '@angular/material/card';
+import { MatChipSet, MatChipOption } from '@angular/material/chips';
+import { MatOption } from '@angular/material/core';
+import { MatDatepickerInput, MatDatepickerToggle, MatDatepicker } from '@angular/material/datepicker';
 import { MatDialog } from '@angular/material/dialog';
+import { MatFormField, MatLabel, MatSuffix } from '@angular/material/form-field';
+import { MatIcon } from '@angular/material/icon';
+import { MatInput } from '@angular/material/input';
+import { MatSelect } from '@angular/material/select';
+import {
+  MatTable,
+  MatColumnDef,
+  MatHeaderCellDef,
+  MatHeaderCell,
+  MatCellDef,
+  MatCell,
+  MatHeaderRowDef,
+  MatHeaderRow,
+  MatRowDef,
+  MatRow,
+} from '@angular/material/table';
 import { ActivatedRoute, Router } from '@angular/router';
 import moment from 'moment';
 import { BehaviorSubject, Observable, of as observableOf } from 'rxjs';
@@ -22,6 +44,41 @@ import { EmployeeAttendanceService } from './employee-attendance.service';
   selector: 'app-employee-attendance',
   templateUrl: './employee-attendance.component.html',
   styleUrls: ['./employee-attendance.component.css'],
+  standalone: true,
+  imports: [
+    MatCard,
+    MatCardHeader,
+    MatCardTitle,
+    MatCardContent,
+    ReactiveFormsModule,
+    MatFormField,
+    MatLabel,
+    MatInput,
+    MatDatepickerInput,
+    MatDatepickerToggle,
+    MatSuffix,
+    MatDatepicker,
+    MatAutocompleteTrigger,
+    MatAutocomplete,
+    MatOption,
+    MatButton,
+    MatTable,
+    MatColumnDef,
+    MatHeaderCellDef,
+    MatHeaderCell,
+    MatCellDef,
+    MatCell,
+    MatSelect,
+    MatIcon,
+    MatChipSet,
+    MatChipOption,
+    MatHeaderRowDef,
+    MatHeaderRow,
+    MatRowDef,
+    MatRow,
+    MatCardActions,
+    AsyncPipe,
+  ],
 })
 export class EmployeeAttendanceComponent implements OnInit, AfterViewInit {
   @ViewChild('employeeElement', { static: true }) employeeElement?: ElementRef;
@@ -129,14 +186,14 @@ export class EmployeeAttendanceComponent implements OnInit, AfterViewInit {
   }
 
   save() {
-    this.ser.save(this.getEmployeeAttendance()).subscribe(
-      () => {
+    this.ser.save(this.getEmployeeAttendance()).subscribe({
+      next: () => {
         this.toaster.show('Success', '');
       },
-      (error) => {
+      error: (error) => {
         this.toaster.show('Danger', error);
       },
-    );
+    });
   }
 
   getEmployeeAttendance(): EmployeeAttendance {