calendar done needs to do heuristic

src/app/app.ts

@@ -1,11 +1,17 @@
-import { Component, signal } from '@angular/core';
-import { RouterOutlet } from '@angular/router';
+import { ChangeDetectionStrategy, Component, model, signal } from '@angular/core';
+import { MatDatepickerModule } from '@angular/material/datepicker';
+import { provideNativeDateAdapter } from '@angular/material/core';
+import { MatDivider } from '@angular/material/divider';
+import { UserInput } from './components/user-input/user-input';
+import { CalendarYear } from "./components/calendar-year/calendar-year";
 
 @Component({
 	selector: 'app-root',
-	imports: [RouterOutlet],
+	imports: [MatDatepickerModule, MatDivider, UserInput, CalendarYear],
 	templateUrl: './app.html',
-	styleUrl: './app.scss'
+	styleUrl: './app.scss',
+	providers: [provideNativeDateAdapter()],
+	changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class App {
 	protected readonly title = signal('vac-optimizer');