[Keyboard] Add NK20 (#17907)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: yiancar <yiancar@gmail.com>

keyboards/novelkeys/nk20/info.json

@@ -0,0 +1,16 @@
+{
+    "keyboard_name": "NK20",
+    "manufacturer": "Yiancar-Designs",
+    "url": "www.yiancar-designs.com",
+    "maintainer": "Yiancar",
+    "usb": {
+        "vid": "0x8968",
+        "pid": "0x4E4E",
+        "device_version": "0.0.1"
+    },
+    "layouts": {
+        "LAYOUT_all": {
+            "layout": [{"x":0, "y":0}, {"x":1, "y":0}, {"x":2, "y":0}, {"x":0, "y":1}, {"x":1, "y":1}, {"x":2, "y":1}, {"x":3, "y":1}, {"x":0, "y":2}, {"x":1, "y":2}, {"x":2, "y":2}, {"x":3, "y":2, "h":2}, {"x":0, "y":3}, {"x":1, "y":3}, {"x":2, "y":3}, {"x":0, "y":4}, {"x":1, "y":4}, {"x":2, "y":4}, {"x":3, "y":4, "h":2}, {"x":0, "y":5, "w":2}, {"x":2, "y":5}]
+        }
+    }
+}