Add docs

Author: gjcairo

Sources/HTTPServer/HTTPRequestContext.swift

@@ -1,8 +1,16 @@
+/// A protocol that defines the context for an HTTP request.
+///
+/// Conforming types represent contextual information that can be associated with
+/// an HTTP request throughout its lifecycle.
 public protocol HTTPRequestContext: Sendable {
 
 }
 
-
+/// The default implementation of an ``HTTPRequestContext`` for HTTP server requests.
+///
+/// This struct provides a concrete type for representing the context of HTTP requests
+/// handled by a server.
 public struct HTTPServerRequestContext: HTTPRequestContext {
+    /// Creates a new HTTP server request context.
     public init() {}
 }

Sources/HTTPServer/HTTPServerClosureRequestHandler.swift

@@ -61,6 +61,7 @@ public struct HTTPServerClosureRequestHandler<
     ///
     /// - Parameters:
     ///   - request: The HTTP request headers and metadata.
+    ///   - requestContext: The request's context.
     ///   - requestBodyAndTrailers: A reader for accessing the request body data and trailing headers.
     ///   - responseSender: An ``HTTPResponseSender`` to send the HTTP response.
     public func handle(