added BufferedTelnetStream

lib/BufferedTelnetStream/BufferedTelnetStream.h

@@ -0,0 +1,13 @@
+#pragma once
+#include "ESPTelnetStream.h"
+#include <StreamUtils.h>
+
+class BufferedTelnetStream : public ESPTelnetStream {
+public:
+  size_t write(const uint8_t* buffer, size_t size) {
+    WriteBufferingStream bufferedWifiClient{ client, 32 };
+    size_t _size = bufferedWifiClient.write((const char*) buffer);
+    bufferedWifiClient.flush();
+    return _size;
+  }
+};