Refactor: group shandoncodes keyboards (#22743)

keyboards/shandoncodes/riot_pad/keymaps/via/keymap.c

@@ -0,0 +1,22 @@
+// Copyright 2023 ShandonCodes (@ShandonCodes)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /*
+     * ┌───┬───┬────┐
+     * │ A │ B │ C  │
+     * ├───┼───┼────┤
+     * │ D │ E │ Fn │
+     * └───┴───┴────┘
+     */
+    [0] = LAYOUT_ortho_2x3(
+        KC_A,    KC_B,    KC_C,
+        KC_D,    KC_E,    MO(1)
+    ),
+    [1] = LAYOUT_ortho_2x3(
+        RGB_MOD,    RGB_RMOD,    RGB_TOG,
+        RGB_VAI,    RGB_VAD,    KC_TRNS
+    )
+};

keyboards/shandoncodes/riot_pad/keymaps/via/rules.mk

@@ -0,0 +1 @@
+VIA_ENABLE = yes