Make header column like label
Add more columns
Add a few paddings
Set toolbar style
Make book list sortable
Create a progress spinner widget
Use form layout for login dialog
Show busy indicator and cancel button for login
Complete implementation of adding new books
Show virtuals directly after creating
Correctly sort by label
Handle DELETE requests for books
Implement delete action
Correctly set X-CSRF-Token header
Create book table context menu
Allow to open books for editing
Fix bugs related to creation and closing