[Keyboard] Add the Octopad (#9946)

* Create Alter folder

* Revert "Create Alter folder"

This reverts commit 361103b821dbb22957b66cdedb0d11f996def71c.

* Add octopad folder

* Added a new keyboard, the Octopad

* Edited files based on requested changes

* Moved encoder code in keyboard level

* Updated the readme

* Corrected the rows and columns of encoders on config.h

* Changed the Vendor ID to D812 since the first one was already taken

* Added support for ast1109MLTRQ speakers

* Increased number of layers to 8 on VIA keymap

* Edited files based on comments

* Edited rules.mk as per comment

* Edited readme.md as per comment

keyboards/nightly_boards/octopad/config.h

@@ -0,0 +1,85 @@
+/*
+Copyright 2020 Neil Brian Ramirez
+
+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"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xD812
+#define PRODUCT_ID 0x0004
+#define DEVICE_VER 0x0001
+#define MANUFACTURER Neil Brian Ramirez
+#define PRODUCT Octopad
+
+/* key matrix size */
+#define MATRIX_ROWS 3
+#define MATRIX_COLS 5
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+#define MATRIX_ROW_PINS { B2, B3, NO_PIN }
+#define MATRIX_COL_PINS { F1, F0, D0, D1, B1 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+#define RGB_DI_PIN F7
+#ifdef RGB_DI_PIN
+#define RGBLED_NUM 8
+#define RGBLIGHT_ANIMATIONS
+
+#endif
+
+/* Encoders */
+
+#define ENCODERS 2
+
+#define ENCODERS_PAD_A { C7, F4 }
+#define ENCODERS_PAD_B { C6, F5 }
+
+#define ENCODERS_CW_KEY  { { 3, 2 },{ 1, 2 } }
+#define ENCODERS_CCW_KEY { { 2, 2 },{ 0, 2 } }
+
+/* Audio */
+
+#define B5_AUDIO
+
+#define AUDIO_CLICKY
+
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+