message: added contributing notes
diff: @@ -25,12 +25,13 @@ Check the `scripts` section of `package.json` for any npm scripts that might fin
  ### Folder Structure
  As you can see we have:
  +
  - `src` contains the working code for the repository:
  - `plugins`: contains any sort of add-on behavior and rules, that may or not may be available at all times.
  - `rules`: contains validation rules that are available to the validator instances.
  - `utils`: contains small utility functions.
  - `dist` contains the unminified and the minified build of the repository.
  -- `docs` contains the src and built files for the documentation.
  +- `docs` contains the src and built files for the documentation, we use [vuepress](https://vuepress.vuejs.org/) to generate the docs content.
  - `locale` contains the localized messages files.
  - `tests` contains the test files for the project, it uses [jest](https://github.com/facebook/jest) for testing. it contains a similar folder structure as the `src` folder.
  