Implements task saving and retrieving.

src/app/main-page/main-page.component.html

@@ -0,0 +1,7 @@
+<div>
+    <h1>Todo List</h1>
+    <div *ngFor="let task of tasks" [title]="task.creationDate">
+        <h1>{{ task.title }}</h1>
+        <p>{{ task.description }}</p>
+    </div>
+</div>