refactor: Improve server setup and add health check

Added /health endpoint for monitoring
Improved readability and config setup
Imported auth_bp directly

server.py

@@ -1,25 +1,32 @@
 import os
 from flask import Flask
-from models import db, init_db 
-from routes.user_auth.auth import auth_bp
-from dotenv import load_dotenv
 from flask_cors import CORS
+from dotenv import load_dotenv
+
+from models import db, init_db
+from routes.user_auth import auth
 
 load_dotenv()
 
 app = Flask(__name__)
-CORS(app)
+app.config["SECRET_KEY"] = os.getenv("SECRET_KEY")
+app.config["SQLALCHEMY_DATABASE_URI"] = os.getenv("DATABASE")
+app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
 
-app.secret_key = os.getenv('SECRET_KEY')
-app.config['SQLALCHEMY_DATABASE_URI'] = os.getenv('DATABASE')
-app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+CORS(app)  # Consider specific origins in production
 
 init_db(app)
+app.register_blueprint(auth.auth_bp)
+
+
+@app.route("/health")
+def health_check():
+    """Health check endpoint."""
+    return "OK", 200
 
-app.register_blueprint(auth_bp)
 
 with app.app_context():
     db.create_all()
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     app.run(debug=True)