add info.json file for geekboards/tester

keyboards/geekboards/tester/info.json

@@ -0,0 +1,22 @@
+{
+    "keyboard_name": "Geekboards 8-keys macropad",
+    "url": "",
+    "maintainer": "moyi4681",
+    "width": 4,
+    "height": 2,
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"x":0, "y":0},
+                {"x":1, "y":0},
+                {"x":2, "y":0},
+                {"x":3, "y":0},
+
+                {"x":0, "y":1},
+                {"x":1, "y":1},
+                {"x":2, "y":1},
+                {"x":3, "y":1}
+            ]
+        }
+    }
+}