(feat): Added PostgreSQL connection string encoding.

routes/auth.py

@@ -15,8 +15,6 @@ def signup():
         return jsonify({"message": "User created successfully", "username": new_user.username}), 201
     except ValueError as e:
         return jsonify({"message": str(e)}), 400
-    
-
 
 @auth_bp.route('/login', methods=['POST'])
 def login():
@@ -28,4 +26,4 @@ def login():
         user = user_service.verify_user(username, password)
         return jsonify({"message": "Login successful", "user_id": user.id}), 200
     except ValueError as e:
-        return jsonify({"error": str(e)}), 401
+        return jsonify({"error": str(e)}), 401