message: Add: ES Modules build gatsby docs entry
diff: @@ -17,6 +17,20 @@ This script is exposed via the `yarn build` command which will build each indivi
  modules/node_modules/@colony/purser-<type>/lib
  ```
  +#### ES Modules Build
  +
  +All individual packages also export and ES Modules build _(along with Flow types)_. This is most likely to be used if you want to tree-shake your bundle.
  +
  +To use them, just append `/es` to the end of the package name when importing:
  +
  +```js
  +import software from '@core/purser-software/es';
  +
  +await software.create();
  +```
  +
  +Also, if you use [Flow]() for type declarations inside your project, it will automatically pick up the required _(optional)_ arguments and they're expected type.
  +
  #### Linting code
  It's most likely that you'll use `eslint` via your editor / IDE, but just in case you don't, there are a couple of scripts set up to do this manually:
  