(fix) Changed example to use repo's actual url

Example that showed how to add repo as upstream referenced an example url, which has now been fixed to show the repo's actual URL which will be more useful when reading it and following along.
Basic server skeleton with local mongo database. Currently untested.
(feat) Implemented basic node server and mongo database
Merge pull request #12 from Alphabat/feat

(Feat) Implement basic node server and mongo database
(fix) Add instructions for running the app
feat: added oauth to server's package.json file (need module for yelp api)
(feat) Adds the yelp api feature. Your api credentials will be stored in
authConfig.js, create yelp object constructor in yelp.js,
create a request handler for get requests to /cafe which will query yelp api and
return a JSON object with business names, locations, and ratings
Merge pull request #21 from ASwitlyk/feat/yelp-api

add yelp constructor to server and handle get requests to /cafe by returning yelp query results
Merge branch 'master' of https://github.com/SmoothBrew/Fillmeup