> The error response of the test runner is confusing when failing. It mentions the fact the a ":" is missing after the header key. <img width="928" alt="Screenshot 2024-06-07 at 13 44 44" src="https://github.com/codecrafters-io/build-your-own-http-server/assets/3893573/5fd8a140-2634-41fe-9adf-dfa3b81533e5">