removed old app.py file
added script to fill course table in test database
moved test db to port 5000
added view for displaying list of topics
added small function to create sample topics
basic table for displaying topics
fixed indentation on models file, to match rest of project style
slightly more concise name for db table initialization script
extracted course_add_form to its own file
added view for seeing list of topics
added script for deleting database and regenerating a new on with test files
added fix to test db generation to match changes to model
renamed home -> layout as it is a base for other pages and not a homepage, courselist -> courses because it is more concise
fixed bug introduced by renaming courselist to courses