WT: keyboard shortcuts [F1 - F5]

settings.json

        {
            "command": 
            {
                "action": "commandPalette"
            },
            "keys": "f1"
        },
        {
            "command": 
            {
                "action": "copy",
                "singleLine": false
            },
            "keys": "f2"
        },
        {
            "command": "paste",
            "keys": "f3"
        },
        {
            "command": 
            {
                "action": "newTab"
            },
            "keys": "f4"
        },
        {
            "command": "openTabRenamer",
            "keys": "f5"
        },