chevron toegevoegd bij datum

src/app/pages/agenda/agenda.component.html

@@ -9,7 +9,16 @@
       (click)="previousDay()"
       type="button">
     </button>
-    <h1 class="date" id="geselecteerdeDatum" (click)="toggleCalendar()">{{ getDate() }}</h1>
+    <h1 class="date" id="geselecteerdeDatum" (click)="toggleCalendar()">{{ getDate() }}
+      <tui-icon
+        *ngIf="!showCalendar"
+      icon="@tui.chevron-down"
+      [style.color]="'var(--tui-background-accent-1)'"/>
+      <tui-icon
+        *ngIf="showCalendar"
+      icon="@tui.chevron-up"
+      [style.color]="'var(--tui-background-accent-1)'"/>
+    </h1>
     <button
       appearance="primary"
       iconStart="@tui.chevron-right"