- Updated README

- Added setup.sh script

- Added postman json for stats and GET :short_code endpoints

- Added short url stats endpoint
- Added serializer for ShortUrls

- Fix: update redirect count and last_seen_date when short_url is req…

…uested

- Added documentation for ShortUrl endpoint

- Added GET :short_code endpoint
- Added a Finder for ShortUrls

- Added shorten endpoint documentation

- Added routes Rake task
- Added a postman collection JSON file which has requests to shorten endpoint
- Added shorten endpoint
- Updated short_url model validations
- Fixed SHORT_CODE_REGEX
- Added Url shortener module to handle creation of ShortUrls
- Added Validator module to handle validations of short_codes for ShortUrls

 - Added model documentation

 - Added ShortUrl model
 - Added short_urls database table

- Added the forgotten CHANGELOG

- Project skeleton