[Keyboard] Add Krush65 Hotswap (#16692)

* Add Krush65 Hotswap

* Led fix

* small fix

* a

* B

* move ec action to VIA keymaps

* Update keyboards/sawnsprojects/krush/krush65/hotswap/readme.md

* Update keyboards/sawnsprojects/krush/krush65/hotswap/rules.mk

* Update readme.md

* Update readme.md

* Update readme.md

* Update keyboards/sawnsprojects/krush/krush65/hotswap/readme.md

* Update keyboards/sawnsprojects/krush/krush65/hotswap/rules.mk

* Update keyboards/sawnsprojects/krush/krush65/hotswap/info.json

* Update keyboards/sawnsprojects/krush/krush65/hotswap/readme.md

* Update keyboards/sawnsprojects/krush/krush65/hotswap/readme.md

* Update keyboards/sawnsprojects/krush/krush65/hotswap/info.json

* Update keyboards/sawnsprojects/krush/krush65/hotswap/hotswap.h

keyboards/sawnsprojects/krush/krush65/hotswap/rules.mk

@@ -0,0 +1,19 @@
+# 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 = yes        # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = no            # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+ENCODER_ENABLE = yes