[Keyboard] Boardsource Microdox (#9971)

* microdox keyboard workidng

* updated readme

* cleaned up for pr

* Apply suggestions from code review

* Apply suggestions from code review

* added license headers

* Update keyboards/boardsource/microdox/keymaps/default/keymap.c

* Update keyboards/boardsource/microdox/rules.mk

* Update keyboards/boardsource/microdox/rules.mk

* Update keyboards/boardsource/microdox/rules.mk

keyboards/boardsource/microdox/microdox.h

@@ -0,0 +1,37 @@
+/*
+Copyright 2020 Cole Smith <cole@boadsource.xyz>
+
+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_split_3x5_3(\
+  k01, k02, k03, k04, k05,    k45, k44, k43, k42, k41, \
+  k11, k12, k13, k14, k15,    k55, k54, k53, k52, k51, \
+  k21, k22, k23, k24, k25,    k65, k64, k63, k62, k61, \
+            k33, k34, k35,    k75, k74, k73            \
+  ) \
+  { \
+    { k01, k02, k03, k04, k05 }, \
+    { k11, k12, k13, k14, k15 }, \
+    { k21, k22, k23, k24, k25 }, \
+    { KC_NO,KC_NO, k33, k34, k35 }, \
+    { k41, k42, k43, k44, k45 }, \
+    { k51, k52, k53, k54, k55 }, \
+    { k61, k62, k63, k64, k65 }, \
+    { KC_NO, KC_NO, k73, k74, k75 } \
+  }