[Keyboard] Add Terrazzo Keyboard (#10408)

* Ciao Terrazzo!

* Keymap updates

* Adding info json
Cleaning up keymap files
Readme updates with template

* Coding style updates

* Removing vscode files

* PR feedback updates

* biton32 -> get_highest_layer update
Adding license headers

keyboards/terrazzo/rules.mk

@@ -0,0 +1,33 @@
+# 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
+#   comment out to disable the options.
+#
+BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = no   # 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
+AUDIO_ENABLE = no
+RGBLIGHT_ENABLE = no
+BACKLIGHT_ENABLE = no  # Enable keyboard backlight functionality
+LED_MATRIX_ENABLE = IS31FL3731
+ENCODER_ENABLE = yes
+WPM_ENABLE = yes
+
+LAYOUTS = ortho ortho_mit ortho_all