[Keyboard] Add Buzzard support (#15493)

* add buzzerd

(untested, WIP)

* configured linear actuator and fixed keymap

* configuration tweaks and added custom keymap

* add custom tapping term for home row mod

* added readme

* remove ionide folder

* added scroll function to trackpoint

* keymap reworked

* using one shot shift and removed dynamic macros

* reworked default keymap

* adapted to latest qmk changes

* remove caps word from default keymap

* use provided coding guidelines

* use get_highest_layer in favour  of biton32

* fixed formatting

* remove unnecessary define statement

keyboards/buzzard/keymaps/crehmann/features/haptic_utils.h

@@ -0,0 +1,10 @@
+// Copyright 2021 Christoph Rehmann (crehmann)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include QMK_KEYBOARD_H
+
+bool get_haptic_enabled_key(uint16_t keycode, keyrecord_t *record);
+
+void process_layer_pulse(layer_state_t state);