[Keymap] Add zigotica stenai keymap for XD75 keyboard (#21412)

Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/xiudi/xd75/keymaps/zigotica/config.h

@@ -0,0 +1,27 @@
+/* Copyright 2023 Sergi Meseguer <zigotica@gmail.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
+
+// these should work better for homerow modifiers
+#define TAPPING_TERM 350
+#define PERMISSIVE_HOLD
+#define QUICK_TAP_TERM 0
+
+// needed to get same layers as split keyboards
+// see users/zigotica/zigotica.h
+#define ORTHOLINEAR_KEYBOARD
+