[Keyboard] KBDfans Bella RGB ANSI and Bella RGB ISO (#11438)

* add bella rgb keyboards

* Update rgb_iso.c

* fix error

* Update rgb_iso.h

* Update keyboards/kbdfans/bella/rgb/rules.mk

* Update keyboards/kbdfans/bella/rgb_iso/rules.mk

* Update keymap.c

* Update keyboards/kbdfans/bella/rgb/info.json

* Update keyboards/kbdfans/bella/rgb_iso/info.json

* Update keyboards/kbdfans/bella/rgb_iso/config.h

* Update keyboards/kbdfans/bella/rgb/config.h

* Update keyboards/kbdfans/bella/rgb_iso/rules.mk

* Update keyboards/kbdfans/bella/rgb_iso/rules.mk

* Update keyboards/kbdfans/bella/rgb_iso/rules.mk

* Update keyboards/kbdfans/bella/rgb/rules.mk

* Update keyboards/kbdfans/bella/rgb/rules.mk

* Update keyboards/kbdfans/bella/rgb/rules.mk

* Update rgb_iso.c

* Update rgb.c

* Update rgb_iso.c

* Update rgb_iso.h

* Update keyboards/kbdfans/bella/rgb/config.h

* Update keyboards/kbdfans/bella/rgb/rgb.h

* Update keyboards/kbdfans/bella/rgb/info.json

* Update keyboards/kbdfans/bella/rgb/info.json

* Update keyboards/kbdfans/bella/rgb/keymaps/default/keymap.c

* Update keyboards/kbdfans/bella/rgb_iso/keymaps/via/keymap.c

* Update keyboards/kbdfans/bella/rgb_iso/keymaps/via/keymap.c

* Update keyboards/kbdfans/bella/rgb_iso/readme.md

* Update keyboards/kbdfans/bella/rgb_iso/readme.md

* Update keyboards/kbdfans/bella/rgb_iso/readme.md

* Apply suggestions from code review

kbdfans/bella/rgb: Change remaining instances of LAYOUT_all to LAYOUT

* Apply suggestions from code review

kbdfans/bella/rgb: update readme

- update keyboard name
- include flashing and bootloader instructions

* Apply suggestions from code review

kbdfans/bella/rgb_iso: update keyboard name

Changes remaining instances of "BELLA_RGB_ISO" to "BELLA RGB ISO".

* Apply suggestions from code review

kbdfans/bella/rgb_iso: Change LAYOUT_all to LAYOUT

* Apply suggestions from code review

kbdfans/bella/rgb_iso: Move ISO Enter's keycode to home row per QMK standard

keyboards/kbdfans/bella/rgb_iso/config.h

@@ -0,0 +1,57 @@
+/* Copyright 2021 dztech
+ *
+ * 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       0x4B42
+#define PRODUCT_ID      0x0009
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    KBDFANS
+#define PRODUCT         BELLA RGB ISO
+/* key matrix size */
+#define MATRIX_ROWS 6
+#define MATRIX_COLS 16
+
+#define MATRIX_ROW_PINS { B0, B1, B2, B3, B7, B6 }
+#define MATRIX_COL_PINS { C6, C7, F7, F6, F5, F4, F1, F0, D2, D3, D5, D4, D6, D7, B4, B5 }
+#define UNUSED_PINS
+
+#define DIODE_DIRECTION COL2ROW
+
+#define DEBOUNCE 3
+
+/* disable these deprecated features by default */
+#ifdef RGB_MATRIX_ENABLE
+#define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects
+#define RGB_DISABLE_WHEN_USB_SUSPENDED true // turn off effects when suspended
+#define RGB_MATRIX_KEYPRESSES
+#define RGB_MATRIX_FRAMEBUFFER_EFFECTS
+#define RGB_MATRIX_LED_PROCESS_LIMIT 4
+#define RGB_MATRIX_LED_FLUSH_LIMIT 26
+#define DISABLE_RGB_MATRIX_SPLASH
+#define DISABLE_RGB_MATRIX_MULTISPLASH
+#define DISABLE_RGB_MATRIX_SOLID_MULTISPLASH
+//#define RGB_MATRIX_STARTUP_MODE RGB_MATRIX_SOLID_COLOR
+#define RGB_MATRIX_STARTUP_MODE RGB_MATRIX_CYCLE_ALL
+#define DRIVER_ADDR_1 0b0110000
+#define DRIVER_ADDR_2 0b0110000 // this is here for compliancy reasons.
+#define DRIVER_COUNT 1
+#define DRIVER_1_LED_TOTAL 109
+#define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL
+#define DRIVER_INDICATOR_LED_TOTAL 0
+#endif
+#define DYNAMIC_KEYMAP_LAYER_COUNT 2