[Keyboard] add Boston keyboard (#11273)

* Added boston keyboard

* Added Boston keyboard

* Changed some keycodes, added layers, added encoder layer change, added RGB layer indicator

* Cleaned up whitespace

* Update config.h

Cleaned up whitespace

* Cleaned up whitespace

* Added keyboard_post_init_kb code for RGBLEDs so that they start on a defined color

* Modified layout so that split backspace right is at a more intuitive location for configurator

* Cleaned up whitespace, changed some labels

* Modified keymap to accommodate revised layout in boston.h

* Removed "on port C6" from Line 20 (committed suggestion)

* Removed "Encoder Enable" from Line 8 (committed suggestion)

* Removed empty #define DESCRIPTION as suggested

* Implemented lock LED changes as suggested by drashna

* Implemented lock LED changes as suggested by Drashna, changed WS2812 driver byte order

* Updated HSV color  codes to reflect WS2812 byte order change

* Implemented suggestion from noroadsleft

* Implemented suggestion from noroadsleft

* Updated readm.md per suggestions from noroadsleft

* Update keyboards/boston/readme.md per noroadsleft's suggestion

* Removed empty layers from default keymap

* Stripped empty layers and much code from default keymap ; moved to RGB Light Layers keycap

keyboards/boston/config.h

@@ -0,0 +1,92 @@
+/* Copyright 2020 Pylon
+ *
+ * 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 3 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
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xAC11
+#define PRODUCT_ID 0x4175
+#define DEVICE_VER 0x0001
+#define MANUFACTURER Pylon
+#define PRODUCT Boston
+/* key matrix size */
+#define MATRIX_ROWS 7
+#define MATRIX_COLS 19
+
+#define MATRIX_COL_PINS \
+    { B10, B11, B12, B13, B14, B15, A8, A9, A10, A15, B3, B4, B7, B8, B9, C14, C15, F0, A3 }
+#define MATRIX_ROW_PINS \
+    { B5, B6, A7, B0, B1, B2, A4 }
+#define DIODE_DIRECTION COL2ROW
+
+#define BACKLIGHT_PIN A6
+#define BACKLIGHT_PWM_DRIVER PWMD3
+#define BACKLIGHT_PWM_CHANNEL 1
+#define BACKLIGHT_PAL_MODE 1
+#define BACKLIGHT_LEVELS 6
+#define BACKLIGHT_BREATHING
+#define BREATHING_PERIOD 6
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCE 5
+
+/* 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
+
+/* Define RGBLED */
+#define RGB_DI_PIN A5
+#define RGBLED_NUM 1
+#define RGBLIGHT_ANIMATIONS
+#define RGBLIGHT_LAYERS
+
+//The 3D-printed version of Boston uses APA106 LEDs, which are reversed 
+#define WS2812_BYTE_ORDER WS2812_BYTE_ORDER_RGB
+
+/* Define encoder */
+#define ENCODERS_PAD_A \
+    { C13 }
+#define ENCODERS_PAD_B \
+    { F1 }
+#define ENCODER_RESOLUTION 2
+#define TAP_CODE_DELAY 15
+
+/* Lock LEDs */
+#define LED_NUM_LOCK_PIN A0
+#define LED_CAPS_LOCK_PIN A1
+#define LED_SCROLL_LOCK_PIN A2
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION