**issue#130 - merge request 2**

change log

• fixed Air Quality Map Loading issue

  • Add Leaflet Maps APIs
  • Made Leaflet.js file locally available
  • Removed Google Map APIs
  • Code changes in airindex.js

• Modified knowMore.css

  • Map Styling for better user experience
  • formatted stylesheet

• knowMore.html

  • added few comments and few code changes

tried loading in on my local machine it renders as: