message: Update formik integration description
diff: @@ -9,8 +9,11 @@ const Formik = () => (
  </Typography>
  <Typography variant="body1" gutterBottom>
  - We are providing inbound validating dates and triggering date's on accept. And also there are
  - quite a lot ways to submit the date, so we cannot provide the event for onChange handler.
  + Pickers are quite complex controls, where date can be submitted
  + from different places, so we can't provide event as argument in
  + onChange callback. Also we are providing date validation out of
  + the box, so it may be tricky to integrate pickers to the form.
  + Here are some examples!
  </Typography>
  <SourcablePanel
  