[Keyboard] Add Steezy60 Rev B (#19688)

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Co-authored-by: Jue Liu <youturn@Jues-MacBook-Pro.local>
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keyboards/4pplet/steezy60/rev_b/config.h

@@ -0,0 +1,19 @@
+/*
+Copyright 2023 Stefan Sundin "4pplet" <mail@4pplet.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+
+#define WS2812_EXTERNAL_PULLUP