Add t3.apps.todo & model and sample data for todo.Item - #4
Add a second user to the sample data - #4
Serve up all items at /api/items/ - #4
Filter /api/items/ list by request user - #4
Redirect signed in users to /todo, signed out to / - #14
Correctly highlight navbar in todo index and user profile
Block access to todo list when not logged in - #14
Clean up navbar 'active' classes