[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

1 files changed, 44 insertions, 0 deletions

diff --git a/keyboards/waterfowl/waterfowl.h b/keyboards/waterfowl/waterfowl.h
new file mode 100644
index 0000000000..0c7f897dbf
--- /dev/null
+++ b/keyboards/waterfowl/waterfowl.h
@@ -0,0 +1,44 @@
+/* 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 "quantum.h"
+
+/* This a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+#define LAYOUT( \
+    L00, L01, L02, L03, L04,    R04, R03, R02, R01, R00, \
+    L05, L06, L07, L08, L09,    R09, R08, R07, R06, R05, \
+    L10, L11, L12, L13, L14,    R14, R13, R12, R11, R10, \
+    L15, L16, L17, L18, L19,    R19, R18, R17, R16, R15 \
+) \
+{ \
+    { L00,   L01,   L02,   L03,   L04 }, \
+    { L05,   L06,   L07,   L08,   L09 }, \
+    { L10,   L11,   L12,   L13,   L14 }, \
+    { L15,   L16,   L17,   L18,   L19 }, \
+    { R00,   R01,   R02,   R03,   R04 }, \
+    { R05,   R06,   R07,   R08,   R09 }, \
+    { R10,   R11,   R12,   R13,   R14 }, \
+    { R15,   R16,   R17,   R18,   R19}, \
+}