[Keyboard] TKC Portico75 (#15114)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Drashna Jael're <drashna@live.com>

keyboards/tkc/portico75/rules.mk

@@ -0,0 +1,22 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes         # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = yes          # Mouse keys
+EXTRAKEY_ENABLE = yes          # Audio control and System control
+CONSOLE_ENABLE = no            # Console for debug
+COMMAND_ENABLE = yes           # Commands for debug and configuration
+NKRO_ENABLE = yes              # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no          # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no           # Enable keyboard RGB underglow
+AUDIO_ENABLE = no              # Audio output
+RGB_MATRIX_ENABLE = yes        # Use RGB matrix
+RGB_MATRIX_DRIVER = IS31FL3741
+CIE1931_CURVE = yes
+ENCODER_ENABLE = yes