Add project files.

AspNetCore.Extensions/Middleware/HeaderLoggingMiddleware.cs

@@ -0,0 +1,22 @@
+using System.Core.Extensions;
+using System.Extensions;
+
+namespace AspNetCore.Extensions.Middleware;
+
+public sealed class HeaderLoggingMiddleware : IMiddleware
+{
+    private readonly ILogger<HeaderLoggingMiddleware> logger;
+
+    public HeaderLoggingMiddleware(
+        ILogger<HeaderLoggingMiddleware> logger)
+    {
+        this.logger = logger.ThrowIfNull();
+    }
+
+    public async Task InvokeAsync(HttpContext context, RequestDelegate next)
+    {
+        var scopedLogger = this.logger.CreateScopedLogger(nameof(this.InvokeAsync), string.Empty);
+        scopedLogger.LogDebug(string.Join("\n", context.Request.Headers.Select(kvp => $"{kvp.Key}: {string.Join(",", kvp.Value.OfType<string>())}")));
+        await next(context);
+    }
+}