Add ALETH42 keyboard (#10720)

* Add Aleth42 keyboard

* Fix Rotary Encoder Section

* Add VIA keymap

* Fix VIA keymap

remove RETRO_TAPPING define because of incompatiblity of rotary encoders with layer tapping.
change KC_ESC to KC_GESC

* Change TAPPING definitions

Comment TAPPING_TERM
Remove RETRO_TAPPING

* Add rev1

Add new rev1 directory
Move previous files to rev0

* Add define of ENCODER_RESOLUTION

* Change number of RGBLED

* Change USB descriptor param

Change VID, PID and product name

* Change default and via keymaps

* Remove upper keymap

* Add readme

* Change USB descriptor param

VID 0x04D8 PID 0xEAC8
Manufacturer 25KEYS
rev0 -> 0x0000 rev1 -> 0x0001
Remove define DESCRIPTION

* Fix info.json

Remove info,json under /rev0 /rev1
Add correct info.json at keyboard/aleth42/

* Change keymaps

* Remove unnecessary comments

* Change BOOTMAGIC option

* Change config options

* Fix readme files

* Change keymap readme files

* Change to use get_highest_layer

* Update keyboards/aleth42/keymaps/default/keymap.c

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

* Update keyboards/aleth42/keymaps/default/keymap.c

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

* Update keyboards/aleth42/keymaps/default/keymap.c

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

* Update keyboards/aleth42/keymaps/default/readme.md

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

* Update keyboards/aleth42/keymaps/default/readme.md

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

* Update keyboards/aleth42/keymaps/default/readme.md

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

* Update keyboards/aleth42/keymaps/via/readme.md

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

* Update keyboards/aleth42/keymaps/via/readme.md

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

* Update keyboards/aleth42/keymaps/via/readme.md

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

* Use tap_code16 function

* Remove empty config file

* Update keyboards/aleth42/keymaps/default/readme.md

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

* Update keyboards/aleth42/keymaps/default/readme.md

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

* Update keyboards/aleth42/keymaps/default/readme.md

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

* Update keyboards/aleth42/keymaps/default/readme.md

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

* Update keyboards/aleth42/keymaps/default/readme.md

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

* Update keyboards/aleth42/keymaps/via/readme.md

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

* Update keyboards/aleth42/keymaps/via/readme.md

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

* Update keyboards/aleth42/keymaps/via/readme.md

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

* Update keyboards/aleth42/keymaps/via/readme.md

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

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

keyboards/aleth42/rev1/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 = lite     # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = yes        # 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 = yes      # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+ENCODER_ENABLE = yes
+TAP_DANCE_ENABLE = no