[Keyboard] Kastenwagen 1840 and Kastenwagen 48 (#13565)

* cleaning up

* deleting to undelete

* Stub out defaults

* Jabberwocky firmware WIP

* Stubbing out keymap spacing

* Default keymap and layout updates

* start stubbing out JSON for configurator

* more WIP

* Update jabberwocky.h

* Add Readme

* Apply suggestions from code review

* Fix layout capitalization

* Updates to personal and default keymaps

* Add instructions for jumping the bootloader

* Update keyboards/nopunin10did/jabberwocky/rules.mk

* Add easier ctrl-alt-del to my keymap

* Start stubbing out KW firmware

* More firmware and keymap stuff

* Fix compile error

* Filling out other layers in default keymap

* Update layout JSON and finish default layouts

* Add rotary and LED code

* Add VIA support (first draft)

* Move VIA compatibility to VIA-specific branch

* Fix readme formatting

* Fix state count issue in LED code

* Fix an erroneous change to a Jabberwocky file

* Default LEDs to on.

* Apply suggestions from code review

* Delete kastenwagen.json

* Update keyboards/nopunin10did/kastenwagen/config.h

* Apply suggestions from code review

* Apply suggestions from noroadsleft code review

* Update image in the readme

* Split 1840 & 48 into two boards (part 1)

* Splitting into two keyboards (part 2)

keyboards/nopunin10did/kastenwagen48/rules.mk

@@ -0,0 +1,20 @@
+# 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 = no         # 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
+
+ENCODER_ENABLE = yes        # Enable rotary encoder input