const arr1 = ["Saab", "Volvo", "BMW", "SUV", "Car3", "Van", "Bus"];
const arr2 = [
    {
        name: "Saab",
        url: "saab/"
    },
    {
        name: "Volvo",
        url: "volvo/",
        children:[
            {
                name: "Van",
                url: "van/"
            },
            {
                name: "Bus",
                url: "bus/"
            },
        ]
    },
    {
        name: "BMW",
        url: "bmw/"
    },
    {
        name: "SUV",
        url: "suv/",
        children:[
            {
                name: "Car1",
                url: "car1/"
            },
            {
                name: "Car2",
                url: "car2/"
            },
            {
                name: "Car3",
                url: "car3/"
            },
        ]
    }
]

[
    {
        name: "Saab",
        url: "saab/"
    },
    {
        name: "Volvo",
        url: "volvo/",
        children:[
            {
                name: "Van",
                url: "van/"
            },
            {
                name: "Bus",
                url: "bus/"
            },
        ]
    },
    {
        name: "BMW",
        url: "bmw/"
    },
]