add akb/vero (#18652)

keyboards/akb/vero/config.h

@@ -0,0 +1,23 @@
+// Copyright 2022 Martin Arnstad (@arnstadm)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+
+/* Set HSE clock since it differs from F411 default */
+#define STM32_HSECLK 16000000