[Keyboard] move rainkeebs's keyboards to rainkeebs/ (#15797)

keyboards/rainkeebs/delilah/rules.mk

@@ -0,0 +1,18 @@
+# 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
+AUDIO_ENABLE = no
+RGBLIGHT_ENABLE = yes