feat: added feature of http/2 chunk load

UploadController.cs

@@ -0,0 +1,33 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace HTTP2FileStreams;
+
+[ApiController]
+[Route("api/[controller]")]
+public class UploadController : ControllerBase
+{
+    [HttpPost]
+    [DisableFormValueModelBinding] // Отключаем стандартный парсинг формы
+    public async Task<IActionResult> Upload()
+    {
+        // Получаем имя файла из заголовка
+        var fileName = Request.Headers["X-File-Name"].ToString();
+        if (string.IsNullOrEmpty(fileName))
+            return BadRequest("File name header is missing");
+
+        fileName = Uri.UnescapeDataString(fileName);
+
+        // Потоковая запись файла
+        if (!Directory.Exists("Uploads"))
+            Directory.CreateDirectory("Uploads");
+        
+        var filePath = Path.Combine("Uploads", fileName);
+        await using var fileStream = System.IO.File.Create(filePath);
+        await Request.Body.CopyToAsync(fileStream);
+
+        return Ok(new { 
+            fileName, 
+            size = fileStream.Length 
+        });
+    }
+}