Kintwin controller for kinesis keyboard, split layout (#21614)

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

keyboards/kinesis/alvicstep/alvicstep.c

@@ -1,3 +1,6 @@
+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #include "alvicstep.h"
 
 // begin section origin  https://github.com/alvicstep/tmk_keyboard 

keyboards/kinesis/alvicstep/alvicstep.h

@@ -1,3 +1,6 @@
+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #pragma once
 
 #include "quantum.h"

keyboards/kinesis/alvicstep/config.h

@@ -1,3 +1,6 @@
+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #pragma once
 
 /* key matrix size */

keyboards/kinesis/alvicstep/info.json

@@ -6,6 +6,16 @@
         "pid": "0x6060",
         "device_version": "0.0.1"
     },
+    "features": {
+        "bootmagic": true,
+        "console": false,
+        "command": false,
+        "mousekey": true,
+        "extrakey": true,
+        "nkro": true,
+        "audio": false,
+        "backlight": false
+    },
     "processor": "at90usb1286",
     "bootloader": "halfkay",
     "layouts": {