[Keyboard] Add Keybage folder for RadPad (#9745)

* [Keyboard] Initial Keybage/RadPad firmware

* [Keyboard] RadPad apply pull request feedback

- Change `LAYOUT_***_Encoders` to `LAYOUT_***_encoders` in <keyboard>.h
- Remove bootloader comments and unnecessary build options from rules.mk
- Use `LTO_ENABLE`
- Remove empty config.h from default keymap
- Remove trailing ` \` from keymap

* [Keyboard] RadPad fix info.json

- Change `LAYOUT_***_Encoders` to `LAYOUT_***_encoders` in info.json

* [Keyboard] Add host LED status to OLED display

* [Keyboard] Use LAYOUT_4x4_encoders, not LAYOUT

* [Keyboard] Use LAYOUT_4x4_encoders, not LAYOUT

* [Keyboard] Remove DESCRIPTION from config.h

keyboards/keybage/radpad/config.h

@@ -0,0 +1,67 @@
+/*
+Copyright 2020 Keybage
+
+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 0x4253 // "BS"
+#define PRODUCT_ID 0x5250  // "RP"
+#define DEVICE_VER 0x0001
+#define MANUFACTURER Keybage
+#define PRODUCT RadPad
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 4
+
+#define MATRIX_ROW_PINS { F5, B5, B6, B2, B3 }
+#define MATRIX_COL_PINS { E6, B4, D7, B1 }
+#define UNUSED_PINS { B0, B7, C7, D2, D3, D5, F0 }
+
+#define DIODE_DIRECTION COL2ROW
+
+#define ENCODERS_PAD_A { D4, F6 }
+#define ENCODERS_PAD_B { C6, F7 }
+
+#define ENCODER_RESOLUTION 2
+
+#define RGB_DI_PIN F4
+#ifdef RGB_DI_PIN
+    #define RGBLED_NUM 16
+    #define RGBLIGHT_SLEEP
+/*== all animations disable ==*/
+    #undef RGBLIGHT_ANIMATIONS
+#endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* disable these deprecated features by default */
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
+
+/* Bootmagic Lite key configuration */
+#define BOOTMAGIC_LITE_ROW 1
+#define BOOTMAGIC_LITE_COLUMN 3
+
+/* OLED Configuration */
+#ifdef OLED_DRIVER_ENABLE
+    #define OLED_TIMEOUT	    60000
+    #define OLED_LOGO_TIMEOUT   3000  // How long (in ms) the logo appears at start up
+#endif