[Keyboard] Add TGR x SINGA Unikorn 60 (#6249)

* initial commit, copied from singa

* default 60_ansi LAYOUT implemented and tested workin

* add rgb underglow support bounded by ifdefs

* edit readme to provide information on reset procedure and on rgb underglow support

* improve the default keymap to have a second layer with function keys and even a RESET

* Add LAYOUT_all macro and discovered that split backspace uses an additional pin on the microcontroller

* fix up last line in readme

* Add QMK Configurator support

keyboards/unikorn/rules.mk

@@ -0,0 +1,48 @@
+# Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
+#
+# 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/>.
+
+# MCU name
+MCU = atmega32a
+PROTOCOL = VUSB
+
+# unsupported features for now
+NO_UART = yes
+NO_SUSPEND_POWER_DOWN = yes
+
+# processor frequency
+F_CPU = 12000000
+
+# Bootloader
+#     This definition is optional, and if your keyboard supports multiple bootloaders of
+#     different sizes, comment this out, and the correct address will be loaded
+#     automatically (+60). See bootloader.mk for all options.
+BOOTLOADER = bootloadHID
+
+# build options
+BOOTMAGIC_ENABLE = no
+MOUSEKEY_ENABLE = yes
+EXTRAKEY_ENABLE = yes
+CONSOLE_ENABLE = yes
+COMMAND_ENABLE = yes
+BACKLIGHT_ENABLE = yes
+RGBLIGHT_ENABLE = no
+RGBLIGHT_CUSTOM_DRIVER = no
+
+OPT_DEFS = -DDEBUG_LEVEL=0
+
+SRC = i2c_master.c
+
+# programming options
+PROGRAM_CMD = ./util/atmega32a_program.py $(TARGET).hex