[Keyboard] Add BLASTER75 keyboard (#16887)

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/blaster75/config.h

@@ -0,0 +1,44 @@
+/*
+Copyright 2021 Altain
+
+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       0xA122  
+#define PRODUCT_ID      0xB075  
+#define DEVICE_VER      0x0001  
+#define MANUFACTURER    Altain
+#define PRODUCT         Blaster75
+
+/* Matrix Size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 15
+
+/* Matrix Pinouts */
+//                         0   1   2   3   4   5   6   7   8   9   A   B   C   D   E
+#define MATRIX_ROW_PINS { F0, F1, F4, F5, F6, F7 }
+#define MATRIX_COL_PINS { B0, B4, B5, B6, B7, C6, C7, D0, D1, D2, D3, D4, D5, D6, D7 } 
+#define UNUSED_PINS
+
+/* Diode Direction */
+#define DIODE_DIRECTION COL2ROW
+
+/* Debounce Setting */
+#define DEBOUNCE 5
+
+