[Keyboard] Add support for Soyuz numpad (#6030)

* Generate project, fill in the details

* Repair json

* Separate keymaps to numpad and all-1U

* Apply suggestions from code review

Co-Authored-By: Elliot Powell <32494740+e11i0t23@users.noreply.github.com>
Co-Authored-By: Drashna Jaelre <drashna@live.com>

keyboards/ai03/soyuz/soyuz.h

@@ -0,0 +1,41 @@
+/* Copyright 2019 Ryota Goto
+ *
+ * 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 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_ortho_5x4( \
+	K00, K01, K02, K03, \
+	K10, K11, K12, K13, \
+	K20, K21, K22, K23, \
+	K30, K31, K32, K33, \
+	K40, K41, K42, K43  \
+) { \
+	{ K00, K01, K02, K03 }, \
+	{ K10, K11, K12, K13 }, \
+	{ K20, K21, K22, K23 }, \
+	{ K30, K31, K32, K33 }, \
+	{ K40, K41, K42, K43 }  \
+}