Fix: Also prevent creation of customer with blank phone number when adding a guest book.
Feature: Show the old bill of a customer in guest book
Fix: In reprint, allow changing of customer
Chore: Updated dependencies
Chore: Model relationships updated to make them simpler
Chore: Bill printing majorly refactored for it
Due to the sheer depth of the changes. There can be showstoppers. Please test it carefully
Moved to sqlalchemy 2.0
Added type checking as much as possible
Updated angular to 15
Moved from Angular flex layout to tailwind css
Started developing on vscode with devcontainers
Amritanshu Agrawal