fit tick labels into bounding box

src/index.ts

@@ -219,6 +219,8 @@ abstract class ChartwerkPod<T extends Serie, O extends Options> {
     this.renderXAxis();
     this.renderYAxis();
     this.renderY1Axis();
+    const bbox = this.svg.node().getBBox();
+    this.svg.attr('viewBox', `${bbox.x} ${bbox.y} ${bbox.width} ${bbox.height}`);
     this.options.callbackComponentRenderEnd(RenderComponent.AXES);
   }