message: docs: added interpolation example
diff: @@ -153,3 +153,13 @@ configure({
  The `{field}` placeholder will replaced with the field name, and `0:{min}` and `1:{max}` will be replaced with the rule arguments. Note that the indices that prefixes each param name is recommended because the interpolation will need to know the order of the parmas because you may define your global rules in one of `object` or `array` or `string` formats, and thus the interpolation process needs to know both param names and their order if array params or strings are used.
  You can also interpolate the other fields in the form by using their names as placeholders.
  +
  +Here is an example that show cases interpolation for different cases:
  +
  +<p class="codepen" data-height="265" data-theme-id="light" data-default-tab="js,result" data-user="logaretm" data-slug-hash="mdPwOzQ" style="height: 265px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;" data-pen-title="i18n Interpolation Example">
  + <span>See the Pen <a href="https://codepen.io/logaretm/pen/mdPwOzQ">
  + i18n Interpolation Example</a> by Abdelrahman Awad (<a href="https://codepen.io/logaretm">@logaretm</a>)
  + on <a href="https://codepen.io">CodePen</a>.</span>
  +</p>
  +
  +<script async src="https://static.codepen.io/assets/embed/ei.js"></script>
  