message: Add Rust Bindings
diff: <p>
  <a href="https://github.com/ropensci/PostcodesioR">PostcodesioR</a> by <a href="https://ropensci.org">rOpenSci</a>. Read the <a href="http://walczak.org/2016/07/postcode-and-geolocation-api-for-the-uk/">blog post</a>
  </p>
  + <p>
  + <strong>Rust</strong>
  + </p>
  + <p>
  + <a href="https://github.com/grantshandy/postcode-rs">postcode-rs</a> by <a href="https://grantshandy.github.io">Grant Handy</a>.
  + </p>
  <p>
  <strong>Hack</strong>
  </p>
  