Add example chunked encoding response

test/webserver_example/chunkedresponsehandler.h

@@ -0,0 +1,31 @@
+#pragma once
+
+// system includes
+#include <string_view>
+#include <string>
+#include <system_error>
+
+// 3rdparty lib includes
+#include <asio_webserver/responsehandler.h>
+
+// forward declarations
+class ClientConnection;
+
+class ChunkedResponseHandler : public ResponseHandler
+{
+public:
+    ChunkedResponseHandler(ClientConnection &clientConnection);
+    ~ChunkedResponseHandler() override;
+
+    void requestHeaderReceived(std::string_view key, std::string_view value) final;
+    void sendResponse() final;
+
+private:
+    void written(std::error_code ec, std::size_t length);
+
+    ClientConnection &m_clientConnection;
+
+    std::string m_response;
+
+    int m_counter{};
+};