fix: component export line chart

Author: Coltin Kifer

src/docs/exampleComponents/LineChart/TinyLineChart.js

@@ -57,3 +57,5 @@ const Example = () => {
 };
 
 Example.demoUrl = 'https://codesandbox.io/p/sandbox/tiny-line-chart-5f5vq6';
+
+export default Example;