organization and added a data service

src/app/dashboard/dashboard.component.html

@@ -0,0 +1,19 @@
+<div class ="viewer">
+  <div class="container" fxLayout="row wrap" fxLayoutGap="30px">
+    Total Flow Rate {{ totalFlowRate }}
+
+    <div class="flex-spacer"></div>
+
+    <mat-menu #appMenu="matMenu">
+      <ng-container *ngFor="let item of groups; let i = index">
+        <button mat-menu-item (click)="setRole(i)"> {{ item }}</button>
+      </ng-container>
+    </mat-menu>
+    
+    <button mat-icon-button [matMenuTriggerFor]="appMenu">
+      <mat-icon>more_vert</mat-icon>
+    </button>
+  </div>
+    <div id="charts"></div>    
+</div>
+