message: feat: add getContainer method to public api
diff: @@ -1280,6 +1280,15 @@ export default class Sigma extends TypedEventEmitter<SigmaEvents> {
  return this.camera;
  }
  + /**
  + * Method returning the container DOM element.
  + *
  + * @return {HTMLElement}
  + */
  + getContainer(): HTMLElement {
  + return this.container;
  + }
  +
  /**
  * Method returning the renderer's graph.
  *
  