karabiner configure: Use FN+Caps as Caps, Caps as Right Control

caps_ctrl.json

{
    "title": "",
    "rules": [
        {
            "description": "Fn+Caps Lock as Caps Lock",
            "manipulators": [
                {
                    "type": "basic",
                    "from": {
                        "modifiers": {
                            "mandatory": [
                                "fn"
                            ],
                            "optional": [
                                "any"
                            ]
                        },
                        "key_code": "caps_lock"
                    },
                    "to": [
                        {
                            "key_code": "caps_lock"
                        }
                    ],
                    "conditions": [
                        {
                            "type": "device_if",
                            "identifiers": [
                                {
                                    "vendor_id": 1452,
                                    "product_id": 833,
                                    "description": "Apple A2338 Internal Keyboard"
                                }
                            ]
                        }
                    ]
                }
            ]
        },
        {
            "description": "Caps Lock as Right Control",
            "manipulators": [
                {
                    "type": "basic",
                    "from": {
                        "modifiers": {
                            "optional": [
                                "left_shift",
                                "left_control",
                                "left_option",
                                "left_command",
                                "right_shift",
                                "right_option",
                                "right_command"
                            ]
                        },
                        "key_code": "caps_lock"
                    },
                    "to": [
                        {
                            "key_code": "right_control"
                        }
                    ],
                    "conditions": [
                        {
                            "type": "device_if",
                            "identifiers": [
                                {
                                    "vendor_id": 1452,
                                    "product_id": 833,
                                    "description": "Apple A2338 Internal Keyboard"
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    ]
}