[Keyboard] Added tr60w keyboard (#7450)

* Added tr60w configurations.

I based these files on the fox-lab/qmk_firmware repository.
After checking both licenses, which are identical, I added those
files into this feature branch.

For transparency reasons I'll add the url to the fox-lab repository.
https://github.com/fox-lab/qmk_firmware

* Using #pragma once in config.h.

* Removed '#define CCONFIG_H' from config.h.

* Changed PRODUCT_ID to '0x4140'.

* Renamed setting to 'DEBOUNCE'.

* Removed key combination, due to already default implementation.

* Removed 'PREVENT_STUCK_MODIFIERS', defaulted by QMK.

* Removed not uneccessary '#endif' statement.

* Renamed include to 'QMK_KEYBOARD_H'.

* Changed keymap structure according to pull request suggestion.

* Removed 'void matrix_init_user(void)'.

* Removed 'void matrix_scan_user(void)'.

* Removed 'bool process_record_user(...)'.

* Removed non-standard configuration in favor for 'led_update_kb'.

* Using default setup based on 'MCU' setting.

* Replaced Build Option configuration with suggested information.

* Fixed include statements as requested.

* Changed 'KEYMAP' to suggestion.

* Removed obsolete '#endif' statement.

* Added readme.md file.

* Updated readme.md with further information.

* Reverted include statement, to check if this caused ci error.

* Revert "Reverted include statement."

This reverts commit ebd992dc01133169be38ae7201bb00b4d01cc737.

* Fixed wrong mapped key

* Fixed include as per suggestion.

* Replaced 'KC_TRNS' with '_______'for readability.

* Added personal keymap.c file.

* Updated the readme.md file according to template/avr/readme.md.

* Fixed Link to Image.

* Updated readme.md as per request.

* Updated rules.mk, as per suggestion.

Set 'BOOTMAGIC_ENABLE = lite'.

keyboards/tr60w/rules.mk

@@ -0,0 +1,32 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = lite      # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = yes           # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+MIDI_ENABLE = no            # MIDI support
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
+FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
+HD44780_ENABLE = no         # Enable support for HD44780 based LCDs