[Keyboard] Add n9 macropad (#13168)

keyboards/nightly_boards/n9/info.json

@@ -0,0 +1,23 @@
+{
+    "keyboard_name": "[n]9", 
+    "url": "", 
+    "maintainer": "Neil Brian Ramirez", 
+    "width": 3, 
+    "height": 3, 
+    "layouts": {
+        "LAYOUT": {
+            "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":0, "y":2}, 
+			{"x":1, "y":2}, 
+			{"x":2, "y":2}]
+        }
+    }
+}