Add TENKI keyboard (#9029)

* Add TENKI keyboard

Add TENKI keyboard, default keymap and via keymap

* Minor Update Readme.md

Change description of hardware supported

* change layout name

change layout name from ortho_20 to ortho_5x4

* Fix invalid format in info.json

Fix invalid format in info.json

* Fix invalid format

* Fix formatting

Fix formatting tenki.h

* Fix formatting in keymap.c

Fix formatting in keymap.c

* Add new line at EOF info.json

Add new line at EOF

* Fix formatting

* Fix formatting

* Update rules.mk

Fix Formatting

keyboards/tenki/rules.mk

@@ -0,0 +1,27 @@
+# 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
+BOOTLOADER = caterina
+
+# Build Options
+#   comment out to disable the options.
+#
+BOOTMAGIC_ENABLE = yes  # 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
+SLEEP_LED_ENABLE = no   # Breathing sleep LED during USB suspend
+NKRO_ENABLE = yes       # USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no   # Enable keyboard backlight functionality
+AUDIO_ENABLE = no
+RGBLIGHT_ENABLE = yes
+
+LAYOUTS = ortho_5x4