Closes #13
Added a new file cohortRoutes.js containing a get route to get all cohorts name and year
Added a db.js file containing database function to get all cohorts from database
Added a server.use api route in server.js
Moved knexfile.js into db folder
Closes #13 Added a new file cohortRoutes.js containing a get route to get all cohorts name and year Added a db.js file containing database function to get all cohorts from database Added a server.use api route in server.js Moved knexfile.js into db folder