finished backend upgrades to allow multiple courses

app/__init__.py

@@ -3,6 +3,7 @@ from flask_socketio import SocketIO
 from .models import db
 from .utils import init_password_generator, init_serializer
 from .auth import init_auth
+from .seed_db import seed_courses
 
 socketio = SocketIO(async_mode='eventlet', cors_allowed_origins="*")
 
@@ -13,11 +14,13 @@ def create_app():
 
     with app.app_context():
         db.create_all()
+        seed_courses()
 
     init_password_generator()
     init_serializer(app)
     init_auth(app)
 
+
     socketio.init_app(app)
 
     from .routes import main