Added sample bubble chart

src/app/panels/bubble-panel.html

@@ -1,17 +1,13 @@
-<div class="card">
-  <div class="card-block">
-    <div class="row">
-      <div class="col-12">
-        <h4 class="card-title mb-0">Spend by company and sector</h4>
+<div>
+    <div>
+      <div style="display: block">
+        <canvas baseChart
+          [datasets]="bubbleChartData"
+          [options]="bubbleChartOptions"
+          [colors]="bubbleChartColors"
+          [legend]="bubbleChartLegend"
+          [chartType]="bubbleChartType">
+        </canvas>
       </div>
     </div>
-    <div class"chart-wrapper">
-      <canvas baseChart class="chart"
-      [datasets]="bubbleChartData"
-      [options]="bubbleChartOptions"
-      [colors]="bubbleChartColors"
-      [legend]="bubbleChartLegend"
-      [chartType]="bubbleChartType"></canvas>
-    </div>
-  </div>
-</div>
+  </div>

src/app/panels/bubble-panel.ts

@@ -95,4 +95,4 @@ export class BubbleChartComponent implements OnInit {
     const data = Array.apply(null, { length: numberOfPoints }).map(r => this.randomPoint(30));
     this.bubbleChartData[0].data = data;
   }
-}
+}