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
Removed the void and reprints report and added it to the bill settlement report
updated the import to add a new sql to be executed later to update the settlements and report permission names
Export works on all reports
