title: Get Postal Code with react-places-autocomplete package
body: <p>Since I am new to React Js, I wanted to use google address autocomplete service. So i came to find npm package "react-places-autocomplete" package which is great to implement. But one this i came to found that it return address but no postal_code. Since i needed post_code, has anybody ever done customization to get postal_code using this package ?</p>
  
  <pre><code>id: "0a69230df738495807b4d2a21e399895416cf7ae", description: "8 Burnley Street, Richmond VIC, 
  Australia", placeId: "ChIJ-RqIcFND1moR6pgdVLp_7Ss", active: false, index: 4, …}
  id: "0a69230df738495807b4d2a21e399895416cf7ae"
  description: "8 Burnley Street, Richmond VIC, Australia"
  placeId: "ChIJ-RqIcFND1moR6pgdVLp_7Ss"
  active: false
  index: 4
  formattedSuggestion: {mainText: "8 Burnley Street", secondaryText: "Richmond VIC, Australia"}
  matchedSubstrings: (2) [{…}, {…}]
  terms: (5) [{…}, {…}, {…}, {…}, {…}]
  types: (2) ["street_address", "geocode"]
  __proto__: Object
  </code></pre>
  
  <p>Postal Code is missing in the response. I hope to get atleast some hints how to do it.</p>