[Keyboard] smallkeyboard support (#12817)

Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/smallkeyboard/info.json

@@ -0,0 +1,17 @@
+{
+  "keyboard_name": "smallkeyboard",
+  "url": "",
+  "maintainer": "zhouqiong19840119",
+  "layouts": {
+    "LAYOUT_ortho_2x3": {
+      "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}
+      ]
+    }
+  }
+}