Refactor project structure and update configurations

- Renamed and deleted several Python modules
- Added new SQL and database scripts
- Updated `.vscode` and `requirements.txt` configurations

requirements.txt

@@ -1,5 +1,20 @@
-typer[all]==0.9.0
-python-dateutil==2.8.2
-toml==0.10.2
+# CLI and display
+typer[all]
+rich
+
+# Database
+sqlmodel
+alembic
+python-dotenv
+
+# Data processing
+python-dateutil
+pandas  # Optional but useful for data analysis
+openpyxl  # For Excel file support
+
+# File parsing
+toml
+xlsx2csv
+
+# Image generation (for calendar features)
 pillow
-xlsx2csv