[Handwired] Support for Adafruit lemon keypad (#16395)

Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: zvecr <git@zvecr.com>

keyboards/handwired/lemonpad/info.json

@@ -0,0 +1,18 @@
+{
+    "keyboard_name": "lemonpad",
+    "url": "",
+    "maintainer": "dari-studios",
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"label": "k00", "x": 0, "y": 0},
+                {"label": "k01", "x": 1, "y": 0},
+                {"label": "k02", "x": 2, "y": 0},
+
+                {"label": "k10", "x": 0, "y": 1},
+                {"label": "k11", "x": 1, "y": 1},
+                {"label": "k12", "x": 2, "y": 1}
+            ]
+        }
+    }
+}