Promote using ESM instead CJS with createTablePlugin

Summary: Mixing CJS and ESM confuses esbuild

Reviewed By: lawrencelomax

Differential Revision: D39467716

fbshipit-source-id: 84273eb8c1c7e45a16da979d0fbd0a7f7df8828b

docs/tutorial/js-table.mdx

@@ -62,11 +62,12 @@ You now have a Row type that describes the data you'll be storing and a descript
 ```typescript
 import {DataTableColumn, createTablePlugin} from 'flipper-plugin';
 
-module.exports = createTablePlugin<Row>({
+const {plugin, Component} = createTablePlugin<Row>({
   columns,
   method: 'newRow',
   key: 'id',
 });
+export {plugin, Component};
 ```
 
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