[Keyboard] add DJam keyboard (#17430)

Co-authored-by: Joel Challis <git@zvecr.com>

keyboards/deng/djam/config.h

@@ -0,0 +1,34 @@
+/* Copyright 2022 Leo Deng (@myst729)
+ *
+ * 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
+
+#include "config_common.h"
+
+#define VENDOR_ID       0xDE29
+#define PRODUCT_ID      0x7325
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Leo Deng
+#define PRODUCT         DJam
+
+#define MATRIX_ROWS 3
+#define MATRIX_COLS 8
+#define MATRIX_ROW_PINS { F0, F1, F4 }
+#define MATRIX_COL_PINS { C7, C6, B6, B5, B4, D7, D6, D4 }
+#define DIODE_DIRECTION COL2ROW
+#define DEBOUNCE 5
+
+#define BACKLIGHT_PIN B7
+#define BACKLIGHT_LEVELS 5