[Keyboard] Big Dill Extended by MechWild (#11047)

* [Keyboard] New Keyboard - BDE

Added the Big Dill Extended by MechWild

* Corrected pinout for righty config

Corrected the copied line from the lefty config that had not been updated prior to this commit.

* Corrected the files that had been overwritten with old versions during testing.

* Update keyboards/mechwild/bde/lefty/config.h

* Made changes based on suggestions. Added GPL and split preference config.h lines into keymap level.

* Apply suggestions from code review

Readme cleanup

* Update keyboards/mechwild/bde/lefty/keymaps/fancy/config.h

* Update keyboards/mechwild/bde/lefty/keymaps/via/config.h

* Apply suggestions from code review

Corrects a stray style line in one of the readme files as well as correcting the name of the keymap layout from the inaccurate 3x14 name to just "layout"

keyboards/mechwild/bde/righty/rules.mk

@@ -0,0 +1,23 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = caterina
+
+# 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 = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no       # Enable Bluetooth
+AUDIO_ENABLE = no           # Audio output
+