Add route info StarsController#show and edit show view for creating link to StarsController#view.
Also include stars styling
Merge branch 'day-3-start' of https://github.com/makersquare/urdb into day-3-start

Add styling for something. Matt said to do it.
Fix error in link_to syntax. Now forms link correctly and displays the cast of the film.
Fix routes for Stars. Should not be nested.
Add stars_controller.rb.
Add show.html.haml for Stars cotroller.