- Implemented upload and retrieval of receipts (Belege) associated with Einnahmen entries.
- Added new API routes for uploading and deleting receipts.
- Updated the Einnahmen model to include a `belegUrl` field for storing receipt references.
- Enhanced the Einnahmen page to support file uploads and display existing receipts.
- Introduced drag-and-drop functionality for file uploads and improved user feedback during uploads.
- Added necessary validation for file types and sizes during uploads.
- Implemented a new route for managing financial transactions (money) for companies, including creating, editing, and deleting transactions.
- Added a new model `Buchung` to represent transactions with fields for date, account type, transaction type, amount, and description.
- Updated the `companies` model to include a relation to the new `Buchung` model.
- Enhanced the company overview page to link to the new financial transactions page.
- Added migration scripts to create the necessary database tables and fields for the new functionality.
- Created utility scripts for resetting the admin password and setting up the initial admin user.
hwinkel