[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/info.json

@@ -0,0 +1,10 @@
+{
+    "keyboard_name": "Buzzard",
+    "url": "https://github.com/crehmann/buzzard",
+    "maintainer": "crehmann",
+    "layouts": {
+        "LAYOUT": {
+            "layout": [{"x":1, "y":0}, {"x":2, "y":0}, {"x":3, "y":0}, {"x":4, "y":0}, {"x":5, "y":0}, {"x":11, "y":0}, {"x":12, "y":0}, {"x":13, "y":0}, {"x":14, "y":0}, {"x":15, "y":0}, {"x":0, "y":1}, {"x":1, "y":1}, {"x":2, "y":1}, {"x":3, "y":1}, {"x":4, "y":1}, {"x":5, "y":1}, {"x":11, "y":1}, {"x":12, "y":1}, {"x":13, "y":1}, {"x":14, "y":1}, {"x":15, "y":1}, {"x":16, "y":1}, {"x":0, "y":2}, {"x":1, "y":2}, {"x":2, "y":2}, {"x":3, "y":2}, {"x":4, "y":2}, {"x":5, "y":2}, {"x":11, "y":2}, {"x":12, "y":2}, {"x":13, "y":2}, {"x":14, "y":2}, {"x":15, "y":2}, {"x":16, "y":2}, {"x":5, "y":3}, {"x":6, "y":3}, {"x":7, "y":3}, {"x":9, "y":3}, {"x":10, "y":3}, {"x":11, "y":3}]
+        }
+    }
+}