[Keyboard] Add s-ol/0xC.pad (#16057)

* [Keyboard] Add s_ol/0xc_pad

* [Keyboard] add factory testing RGB_MATRIX pattern

Co-authored-by: s-ol <s-ol@users.noreply.github.com>

keyboards/s_ol/0xc_pad/0xc_pad.h

@@ -0,0 +1,36 @@
+/* Copyright 2021 s-ol
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include "quantum.h"
+
+#define LAYOUT(         \
+         k01, k05,      \
+       k02, k06, k10,   \
+    k03, k07, k11, k15, \
+       k08, k12, k16    \
+) { \
+    { k01,   k05, KC_NO, KC_NO }, \
+    { k02,   k06, k10,   KC_NO }, \
+    { k03,   k07, k11,   k15   }, \
+    { KC_NO, k08, k12,   k16   }  \
+}
+
+#define LED_LAYOUT(                                             \
+                                                                \
+    k01, k05, k02, k06, k10, k03, k07, k11, k15, k08, k12, k16) \
+                                                                \
+    { k01, k02, k03, k08, k07, k06, k05, k10, k11, k12, k16, k15, }