Add Keebio lighting defaults (#8884)

* Set Iris LED/RGB defaults

* Add lighting defaults for more boards

keyboards/keebio/dilly/dilly.c

@@ -1 +1,18 @@
 #include "dilly.h"
+
+void eeconfig_init_kb(void) {
+#ifdef BACKLIGHT_ENABLE
+    backlight_enable();
+    backlight_level(3);
+#endif
+#ifdef RGBLIGHT_ENABLE
+    rgblight_enable(); // Enable RGB by default
+    rgblight_sethsv(0, 255, 255);  // Set default HSV - red hue, full saturation, full brightness
+#ifdef RGBLIGHT_ANIMATIONS
+    rgblight_mode(RGBLIGHT_MODE_RAINBOW_SWIRL + 2); // set to RGB_RAINBOW_SWIRL by default
+#endif
+#endif
+
+    eeconfig_update_kb(0);
+    eeconfig_init_user();
+}