Migrate features from rules.mk to data driven - EFGH (#23248)

keyboards/handwired/gamenum/keyboard.json

@@ -0,0 +1,53 @@
+{
+  "keyboard_name": "GameNum",
+  "manufacturer": "Seth-Senpai",
+  "url": "",
+  "maintainer": "qmk",
+  "usb": {
+    "vid": "0x1234",
+    "pid": "0x5678",
+    "device_version": "0.0.1"
+  },
+  "features": {
+    "bootmagic": false,
+    "command": true,
+    "console": true,
+    "extrakey": true,
+    "mousekey": true,
+    "nkro": false
+  },
+  "matrix_pins": {
+    "cols": ["D7", "E6", "B4", "B5"],
+    "rows": ["B6", "B2", "B3", "B1", "F7"]
+  },
+  "diode_direction": "ROW2COL",
+  "processor": "atmega32u4",
+  "bootloader": "caterina",
+  "layouts": {
+    "LAYOUT": {
+      "layout": [
+        {"matrix": [0, 0], "x": 0, "y": 0},
+        {"matrix": [0, 1], "x": 1, "y": 0},
+        {"matrix": [0, 2], "x": 2, "y": 0},
+        {"matrix": [0, 3], "x": 3, "y": 0},
+
+        {"matrix": [1, 0], "x": 0, "y": 1},
+        {"matrix": [1, 1], "x": 1, "y": 1},
+        {"matrix": [1, 2], "x": 2, "y": 1},
+        {"matrix": [1, 3], "x": 3, "y": 1, "h": 2},
+
+        {"matrix": [2, 0], "x": 0, "y": 2},
+        {"matrix": [2, 1], "x": 1, "y": 2},
+        {"matrix": [2, 2], "x": 2, "y": 2},
+
+        {"matrix": [3, 0], "x": 0, "y": 3},
+        {"matrix": [3, 1], "x": 1, "y": 3},
+        {"matrix": [3, 2], "x": 2, "y": 3},
+
+        {"matrix": [4, 1], "x": 0, "y": 4, "w": 2},
+        {"matrix": [4, 2], "x": 2, "y": 4},
+        {"matrix": [4, 3], "x": 3, "y": 3, "h": 2}
+      ]
+    }
+  }
+}