[Keymap] Update sethbarberee code to QK_BOOT and try out DVVORAK (#17230)

users/sethBarberee/sethBarberee.h

@@ -21,6 +21,8 @@
 
 enum layers {
     _QWERTY,
+    _COLEMAK,
+    _DVORAK,
     _LOWER,
     _RAISE,
     _ADJUST
@@ -28,6 +30,9 @@ enum layers {
 
 enum userspace_keycodes {
     KC_VRSN = SAFE_RANGE,
+    KC_QWER,
+    KC_COLE,
+    KC_DVOR,
     NEW_SAFE_RANGE
 };