[Keyboard] add Allison Numpad (#7823)

* add Allison Numpad

* alternative layout

keyboards/allison_numpad/allison_numpad.h

@@ -0,0 +1,61 @@
+/* Copyright 2020 Yiancar
+ *
+ * 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_ortho_6x4( \
+    K00, K01, K02, K03, \
+    K10, K11, K12, K13, \
+    K20, K21, K22, K23, \
+    K30, K31, K32, K33, \
+    K40, K41, K42, K43, \
+    K50, K51, K52, K53  \
+) \
+{ \
+    { K00, K01, K02, K03 }, \
+    { K10, K11, K12, K13 }, \
+    { K20, K21, K22, K23 }, \
+    { K30, K31, K32, K33 }, \
+    { K40, K41, K42, K43 }, \
+    { K50, K51, K52, K53 }  \
+}
+
+#define LAYOUT_numpad_6x4( \
+    K00, K01, K02, K03, \
+    K10, K11, K12, K13, \
+    K20, K21, K22,      \
+    K30, K31, K32, K33, \
+    K40, K41, K42,      \
+    K50,      K52, K53  \
+) \
+{ \
+    { K00, K01,   K02, K03   }, \
+    { K10, K11,   K12, K13   }, \
+    { K20, K21,   K22, KC_NO }, \
+    { K30, K31,   K32, K33   }, \
+    { K40, K41,   K42, KC_NO }, \
+    { K50, KC_NO, K52, K53   }  \
+}