[Keyboard] Add dumbpad (#6425)

* removed some debug prints

* removed unnecessary files, tweaked some things

* rotary encoder button now connected into column 0, row 3

* tweaked keymap and moved encoder control into keymap

* tweaks

* added test keymap

* updated some things to make it easier to work with QMK configurator

* updates after merging latest master in

* fixed a few things

* removed test keymap and all related #ifdefs

* changed some dumbpad default keys, added KC_LOCK

* added image to readme

* added link to PCB github repo

* moved lock key to the rotary encoder pushbutton

* making suggested changes from @fauxpark in https://github.com/qmk/qmk_firmware/pull/6452

* adding bootmagic lite since i'm lazy and haven't soldered on the reset button...

* renamed  to

* using 7 underscores for KC_TRNS

keyboards/dumbpad/dumbpad.h

@@ -0,0 +1,39 @@
+/* Copyright 2019 Chip
+ *
+ * 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( \
+         k01, k02, k03, k04, \
+         k11, k12, k13, k14, \
+         k21, k22, k23, k24, \
+    k30, k31, k32, k33, k34 \
+) \
+{ \
+    { KC_NO, k01, k02, k03, k04 }, \
+    { KC_NO, k11, k12, k13, k14 }, \
+    { KC_NO, k21, k22, k23, k24 }, \
+    { k30,   k31, k32, k33, k34 }, \
+}