Chore: Removed Mat Card from everywhere.

Chore: Removed the Toaster Service.
Chore: Updated to Material Theme 3

bookie/src/app/guest-book/guest-book-list/guest-book-list.component.ts

@@ -1,18 +1,17 @@
 import { Component, OnInit, inject } from '@angular/core';
 import { FormControl, FormGroup, ReactiveFormsModule } from '@angular/forms';
 import { MatButtonModule } from '@angular/material/button';
-import { MatCardModule } from '@angular/material/card';
 import { MatDatepickerModule } from '@angular/material/datepicker';
 import { MatFormFieldModule } from '@angular/material/form-field';
 import { MatIconModule } from '@angular/material/icon';
 import { MatInputModule } from '@angular/material/input';
+import { MatSnackBar } from '@angular/material/snack-bar';
 import { MatTableModule } from '@angular/material/table';
 import { ActivatedRoute, Router, RouterLink } from '@angular/router';
 import moment from 'moment';
 import { BehaviorSubject } from 'rxjs';
 import { map } from 'rxjs/operators';
 
-import { ToasterService } from '../../core/toaster.service';
 import { LocalTimePipe } from '../../shared/local-time.pipe';
 import { GuestBook } from '../guest-book';
 import { GuestBookList } from '../guest-book-list';
@@ -27,7 +26,7 @@ import { GuestBookListDataSource } from './guest-book-list-datasource';
     LocalTimePipe,
     MatButtonModule,
     MatButtonModule,
-    MatCardModule,
+
     MatDatepickerModule,
     MatFormFieldModule,
     MatIconModule,
@@ -40,7 +39,7 @@ import { GuestBookListDataSource } from './guest-book-list-datasource';
 export class GuestBookListComponent implements OnInit {
   private route = inject(ActivatedRoute);
   private router = inject(Router);
-  private toaster = inject(ToasterService);
+  private snackBar = inject(MatSnackBar);
   private ser = inject(GuestBookService);
 
   data: BehaviorSubject<GuestBook[]> = new BehaviorSubject<GuestBook[]>([]);