Add ferris 0.2 (#12133)

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/ferris/0_2/rules.mk

@@ -0,0 +1,25 @@
+# MCU name
+MCU = STM32F072
+
+#   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 = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no       # Enable Bluetooth
+AUDIO_ENABLE = no           # Audio output
+UNICODE_ENABLE = yes
+CUSTOM_MATRIX = lite
+NO_USB_STARTUP_CHECK = yes
+LTO_ENABLE = no
+
+SRC += matrix.c
+QUANTUM_LIB_SRC += i2c_master.c