HTTP Content-Type Header Utility

The `content-type` package provides a robust utility for creating and parsing HTTP Content-Type headers in Node.js applications, adhering strictly to RFC 7231. It is currently at version 1.0.5, indicating a mature and stable library. The release cadence is infrequent, primarily focusing on performance improvements and minor fixes, suggesting a low-churn, well-maintained codebase. Its core functionality involves parsing a Content-Type string (or directly from `req`/`res` objects) into an object with `type` and `parameters`, and conversely, formatting such an object back into a valid header string. This library is a foundational component for many HTTP servers and clients that need reliable content negotiation, differentiating itself through its minimalist API and strict RFC compliance without unnecessary abstractions.