[Keymap] Add brauner preonic layout (#19444)

keyboards/preonic/keymaps/brauner/config.h

@@ -0,0 +1,38 @@
+/* Copyright 2015-2021 Jack Humbert
+ *
+ * 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
+
+#ifdef AUDIO_ENABLE
+#    define STARTUP_SONG SONG(PREONIC_SOUND)
+#    define DEFAULT_LAYER_SONGS \
+        { SONG(QWERTY_SOUND) }
+#endif
+
+#define MUSIC_MASK (keycode != KC_NO)
+
+#define PERMISSVE_HOLD
+
+#define LEADER_PER_KEY_TIMING
+
+#define LEADER_TIMEOUT 250
+
+#define LEADER_NO_TIMEOUT
+
+#define MK_3_SPEED
+#define MK_MOMENTARY_ACCEL
+
+#define COMBO_NO_TIMER