[Keyboard] NK65 rev 1.4 (#11991)

NK65 Pinout change for rev 1.4.

* Update Pinout for new PCB rev

* Create readme.md

* Update keyboards/nk65/v1_4/rules.mk

keyboards/nk65/v1_4/config.h

@@ -0,0 +1,22 @@
+/*
+Copyright 2021 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
+
+#undef MATRIX_COL_PINS
+#define MATRIX_COL_PINS { A13, A10, A9, A14, A15, B8, B9, B1, B0, A7, A0, A1, A2, A3, A5 }
+// To enable debugger set A13 A14 -> A5 A7