Update app to have edit buttons next to each task.

app/app.component.ts

@@ -7,7 +7,7 @@ import { Component } from '@angular/core';
   <h1>To Do List for {{month}}/{{day}}/{{year}}</h1>
   <h3>{{currentFocus}}</h3>
   <ul>
-    <li *ngFor="let currentTask of tasks">{{currentTask.description}}</li>
+    <li *ngFor="let currentTask of tasks">{{currentTask.description}}  <button (click)="editTask()">Edit!</button></li>
   </ul>
   </div>
   `
@@ -24,6 +24,10 @@ export class AppComponent {
     new Task('Begin brainstorming possible JavaScript group projects'),
     new Task('Add README file to last few Angular repos on GitHub')
   ];
+
+  editTask() {
+    alert("You just requested to edit a Task!");
+  }
 }
 
 export class Task {