Add new keyboard "Spreadwriter"

keyboards/takashicompany/spreadwriter/config.h

@@ -0,0 +1,10 @@
+// Copyright 2022 takashicompany (@takashicompany)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "config_common.h"
+
+#define ENCODER_RESOLUTION 4
+#define ENCODERS_PAD_A { D1 }
+#define ENCODERS_PAD_B { D0 }