[Keyboard] Waterfowl keyboard support (#16760)

* Added waterfowl files

* Completing PR Checklist

* Added encoders to info.json

* Added license to default keymap

* Update keyboards/waterfowl/keymaps/cyanduck/keymap.c

* Update keyboards/waterfowl/keymaps/default/keymap.c

* Update keyboards/waterfowl/waterfowl.c

* Update keyboards/waterfowl/keymaps/default/keymap.c

* Update keyboards/waterfowl/waterfowl.c

* Update keyboards/waterfowl/waterfowl.c

* Update keyboards/waterfowl/keymaps/cyanduck/keymap.c

* Update keyboards/waterfowl/rules.mk

* Update readme.md

* Update keyboards/waterfowl/waterfowl.c

* Update keyboards/waterfowl/info.json

* Update keyboards/waterfowl/info.json

keyboards/waterfowl/config.h

@@ -0,0 +1,57 @@
+/* Copyright 2022  CyanDuck
+*
+* 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
+#include "config_common.h"
+
+
+/* USB Device properties */
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x9CE3
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    CyanDuck
+#define PRODUCT         Waterfowl
+
+/* Key matrix size */
+/* Rows are doubled up */
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 5
+
+// Wiring
+#define MATRIX_ROW_PINS { D4, C6, D7, E6 }
+#define MATRIX_COL_PINS { F4, F5, F6, F7, B1 }
+
+// COL2ROW, ROW2COL
+#define DIODE_DIRECTION COL2ROW
+
+// Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed
+#define DEBOUNCE 5
+
+// Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+
+#define SOFT_SERIAL_PIN D2
+#define OLED_DISPLAY_128X64
+#define SPLIT_MODS_ENABLE
+#define SPLIT_WPM_ENABLE
+#define SPLIT_USB_DETECT
+
+// Encoders
+#define ENCODERS_PAD_A { B4, B3 }
+#define ENCODERS_PAD_B { B5, B2 }
+#define ENCODER_RESOLUTIONS { 4, 2 }
+
+// Tapping term
+#define TAPPING_TERM 200