Chore: Cleaned up imports to use Modules.

Feature: Added an eslint rule to sort component imports

bookie/src/app/sales/bills/bills.component.ts

@@ -2,11 +2,11 @@ import { AsyncPipe, CurrencyPipe } from '@angular/common';
 import { Component, OnInit } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
 import { MatCardModule } from '@angular/material/card';
-import { MatCheckbox } from '@angular/material/checkbox';
+import { MatCheckboxModule } from '@angular/material/checkbox';
 import { MatDialog } from '@angular/material/dialog';
-import { MatIcon } from '@angular/material/icon';
+import { MatIconModule } from '@angular/material/icon';
 import { MatTableModule } from '@angular/material/table';
-import { MatTooltip } from '@angular/material/tooltip';
+import { MatTooltipModule } from '@angular/material/tooltip';
 import { ActivatedRoute, Router, RouterOutlet } from '@angular/router';
 import { Observable } from 'rxjs';
 import { map, switchMap } from 'rxjs/operators';
@@ -36,15 +36,15 @@ import { VoucherType } from './voucher-type';
   templateUrl: './bills.component.html',
   styleUrls: ['./bills.component.sass'],
   imports: [
-    MatCardModule,
-    MatTableModule,
-    MatTooltip,
-    MatButtonModule,
-    MatCheckbox,
-    MatIcon,
-    RouterOutlet,
     AsyncPipe,
     CurrencyPipe,
+    MatButtonModule,
+    MatCardModule,
+    MatCheckboxModule,
+    MatIconModule,
+    MatTableModule,
+    MatTooltipModule,
+    RouterOutlet,
   ],
 })
 export class BillsComponent implements OnInit {