[Keyboard] Add Pica40 (#19220)

Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/pica40/rev2/config.h

@@ -0,0 +1,19 @@
+// Copyright 2022 zzeneg (@zzeneg)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define SERIAL_USART_TX_PIN GP0
+
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED GP17
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 500U
+
+#ifdef RGBLIGHT_ENABLE
+#    define RGBLIGHT_DISABLE_KEYCODES // disable keycodes for RGB Light controls, only status LED is supported
+#    define PICA40_RGBLIGHT_TIMEOUT 5 // turn RGB off after N minutes
+#endif
+
+#ifdef ENCODER_ENABLE
+#   define SPLIT_TRANSACTION_IDS_KB ENCODER_SYNC
+#endif