Move kbdpad_mk2 to kbdpad/mk2, add numpad layout to mk2.h (#15892)

keyboards/kbdfans/kbdpad/mk2/info.json

@@ -0,0 +1,35 @@
+{
+    "keyboard_name": "kbdpad_mk2", 
+    "url": "https://kb.ai03.me/projects/kbdpad-mkii.html", 
+    "maintainer": "ai03", 
+    "layouts": {
+        "LAYOUT_ortho_6x4": {
+            "layout": [
+				{"x":0, "y":0},
+				{"x":1, "y":0},
+				{"x":2, "y":0},
+				{"x":3, "y":0},
+				{"x":0, "y":1.25},
+				{"x":1, "y":1.25},
+				{"x":2, "y":1.25},
+				{"x":3, "y":1.25},
+				{"x":0, "y":2.25},
+				{"x":1, "y":2.25},
+				{"x":2, "y":2.25},
+				{"x":3, "y":2.25},
+				{"x":0, "y":3.25},
+				{"x":1, "y":3.25},
+				{"x":2, "y":3.25},
+				{"x":3, "y":3.25},
+				{"x":0, "y":4.25},
+				{"x":1, "y":4.25},
+				{"x":2, "y":4.25},
+				{"x":3, "y":4.25},
+				{"x":0, "y":5.25},
+				{"x":1, "y":5.25},
+				{"x":2, "y":5.25},
+				{"x":3, "y":5.25}
+			]
+        }
+    }
+}