plotly-plot template: add ng-content

...inside outer *<div>* so that it's possible for the user to insert some templates within div

Author: alyst

projects/plotly/src/lib/plotly.component.ts

@@ -25,7 +25,9 @@ import { Plotly } from './plotly.interface';
 // @dynamic
 @Component({
     selector: 'plotly-plot',
-    template: `<div #plot [attr.id]="divId" [ngClass]="getClassName()" [ngStyle]="style"></div>`,
+    template: `<div #plot [attr.id]="divId" [ngClass]="getClassName()" [ngStyle]="style">
+      <ng-content></ng-content>
+    </div>`,
     providers: [PlotlyService],
 })
 export class PlotlyComponent implements OnInit, OnChanges, OnDestroy, DoCheck {