[Keyboard] move That-Canadian 's boards into /maple_computing (#16050)

keyboards/maple_computing/c39/keymaps/drashna/config.h

@@ -0,0 +1,34 @@
+/* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.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
+
+// place overrides here
+#undef MATRIX_COL_PINS
+#define MATRIX_COL_PINS \
+    { A3, A2, A1, A0, B13, B14, B15, B9, B3, B2, B4, A10, A9 }
+#undef MATRIX_ROW_PINS
+#define MATRIX_ROW_PINS \
+    { B7, B1, B0 }
+
+#define RGB_DI_PIN B10
+#define RGBLED_NUM 15
+
+#define SOLENOID_PIN B11
+
+#define AUDIO_PIN A5
+#define AUDIO_PIN_ALT A4
+#define AUDIO_PIN_ALT_AS_NEGATIVE