Generate pattern library for components

sample-site/csvdownload.example.md

@@ -0,0 +1,15 @@
+Basic example
+
+```html
+const data = [
+  ['name', 'age'],
+  ['Ahmed', 12],
+  ['John', 8]
+];
+<CSVDownload data={data} />
+```
+## Note:
+> We avoid to make live examples for `CSVDownload` component, since mounting
+> this component triggers the download directly.
+
+> Please, check the next component since you can test it directly.