Refactor Nginx configuration and update project dependencies

- Cleaned up the Nginx configuration for the Coolify deployment, ensuring proper formatting and organization.
- Updated the `pyproject.toml` file to maintain consistent formatting.
- Reformatted the `requirements.txt` file for better readability while keeping the dependencies unchanged.

backend/requirements.txt

@@ -1,21 +1,21 @@
-anyio
-bcrypt==4.0.1
-blinker
-certifi
-cryptography
-dnspython
-duckdb
-ecdsa
-email-validator
-fastapi
-httpcore
-httpx
-Jinja2
-MarkupSafe
-packaging
-passlib==1.7.4
-pydantic
-python-dotenv
-python-jose
-python-multipart
+anyio
+bcrypt==4.0.1
+blinker
+certifi
+cryptography
+dnspython
+duckdb
+ecdsa
+email-validator
+fastapi
+httpcore
+httpx
+Jinja2
+MarkupSafe
+packaging
+passlib==1.7.4
+pydantic
+python-dotenv
+python-jose
+python-multipart
 uvicorn