Updated README.md Setup Instructions (#242)
Updated README.md Setup Instructions (#242)

* Add linux download commands to README

* Separate setting up instructions for Linux/Mac

* Update README.md

Updated the macOS installation instructions to include instructions on running the Postgres server/database through apps as an alternative to Terminal.

* Update README.md

Modified step 3 in macOS setup instructions

* Added instructions for when the createdb shuttletracker command is not working

* Update and clean up Windows setup instructions

* Add link to documentation, update linux instructions

* Fix formatting

* update with more details on createdb (step 4 in Linux)

wtg/shuttle_tracking_2,wtg/shuttletracker,wtg/shuttletracker,wtg/shuttle_tracking_2,wtg/shuttle_tracking_2,wtg/shuttletracker,wtg/shuttletracker,wtg/shuttletracker,wtg/shuttle_tracking_2,wtg/shuttle_tracking_2,wtg/shuttle_tracking_2,wtg/shuttletracker