Add version information to README.md and fix linting issues

- Added version 0.1.0 to the README introduction
- Added a dedicated Version Information section with details about API version, dependencies, and compatibility
- Fixed linting issues in app/db/base.py by adding noqa comments for necessary imports

README.md

@@ -2,6 +2,8 @@
 
 A professional invoicing API for freelancers and small businesses built with FastAPI and SQLite.
 
+**Version: 0.1.0**
+
 ## Features
 
 - Secure authentication system with JWT tokens
@@ -150,4 +152,12 @@ The application uses ReportLab to generate PDF invoices, which can be downloaded
 
 ## Logging
 
-Activity logs are stored in the `/app/storage/logs` directory.
+Activity logs are stored in the `/app/storage/logs` directory.
+
+## Version Information
+
+- **Current Version**: 0.1.0
+- **API Version Path**: /api/v1
+- **Release Date**: May 2023
+- **FastAPI Version**: 0.104.1+
+- **Python Compatibility**: 3.8+

app/db/base.py

@@ -1,5 +1,6 @@
-from app.db.base_class import Base
-from app.models.user import User
-from app.models.client import Client
-from app.models.invoice import Invoice, InvoiceItem
-# Import all models here for Alembic to detect them
+# Import all models here for Alembic to detect them
+# These imports are needed for Alembic to detect the models, even if they appear unused to linters
+from app.db.base_class import Base  # noqa: F401
+from app.models.user import User  # noqa: F401
+from app.models.client import Client  # noqa: F401
+from app.models.invoice import Invoice, InvoiceItem  # noqa: F401