karabiner rule

swap-1.json

{
    "title": "swap-1",
    "rules": [
        {
            "description": "left-control to left-command",
            "manipulators": [
                {
                    "from": {
                        "key_code": "left_control"
                    },
                    "to": [
                        {
                            "key_code": "left_gui",
                            "repeat": true
                        }
                    ],
                    "type": "basic"
                }
            ]
        },
        {
            "description": "left-command to left-control",
            "manipulators": [
                {
                    "from": {
                        "key_code": "left_gui"
                    },
                    "to": [
                        {
                            "key_code": "left_control",
                            "repeat": true
                        }
                    ],
                    "type": "basic"
                }
            ]
        }
    ]
}

swap_daeryou.json

{
    "title": "swap-daeryou",
    "rules": [
        {
            "description": "left-option to left-control",
            "manipulators": [
                {
                    "from": {
                        "key_code": "left_option"
                    },
                    "to": [
                        {
                            "key_code": "left_control",
                            "repeat": true
                        }
                    ],
                    "type": "basic"
                }
            ]
        },
        {
            "description": "left-command to left-option",
            "manipulators": [
                {
                    "from": {
                        "key_code": "left_gui"
                    },
                    "to": [
                        {
                            "key_code": "left_option",
                            "repeat": true
                        }
                    ],
                    "type": "basic"
                }
            ]
        },
        {
            "description": "left-control to left-command",
            "manipulators": [
                {
                    "from": {
                        "key_code": "left_control"
                    },
                    "to": [
                        {
                            "key_code": "left_gui",
                            "repeat": true
                        }
                    ],
                    "type": "basic"
                }
            ]
        }
    ]
}