[Keyboard] add 3w6 (#13746)

keyboards/3w6/rev1/rev1.h

@@ -0,0 +1,44 @@
+/* Copyright 2021 weteor
+ *
+ * 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"
+
+/* This is a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+#define LAYOUT( \
+      k00, k01, k02, k03, k04,             k05, k06, k07, k08, k09,\
+      k10, k11, k12, k13, k14,             k15, k16, k17, k18, k19,\
+      k20, k21, k22, k23, k24,             k25, k26, k27, k28, k29,\
+                   k32, k33, k34,       k35, k36, k37\
+) { \
+    {   k00,   k01,   k02,   k03,   k04 }, \
+    {   k10,   k11,   k12,   k13,   k14 }, \
+    {   k20,   k21,   k22,   k23,   k24 }, \
+    { KC_NO, KC_NO,   k32,   k33,   k34 }, \
+    \
+    {   k05,   k06,   k07,   k08,   k09 }, \
+    {   k15,   k16,   k17,   k18,   k19 }, \
+    {   k25,   k26,   k27,   k28,   k29 }, \
+    {   k35,   k36,   k37, KC_NO, KC_NO }, \
+}