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.

frontend/app/__init__.py

@@ -1,17 +1,17 @@
-"""Flask frontend application factory."""
-from flask import Flask
-
-from .config import Config
-from .filters import register_filters
-from .routes import register_blueprints
-
-
-def create_app() -> Flask:
-    """Create and configure the Flask application."""
-    app = Flask(__name__)
-    app.config.from_object(Config)
-
-    register_filters(app)
-    register_blueprints(app)
-
+"""Flask frontend application factory."""
+from flask import Flask
+
+from .config import Config
+from .filters import register_filters
+from .routes import register_blueprints
+
+
+def create_app() -> Flask:
+    """Create and configure the Flask application."""
+    app = Flask(__name__)
+    app.config.from_object(Config)
+
+    register_filters(app)
+    register_blueprints(app)
+
     return app