test versions.json for Version warning bar

versions.json

[
    {
        "name": "13.0 (dev)",
        "version": "dev/",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/dev/"
    },
    {
        "name": "12.0 (stable)",
        "version": "",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/"
        "preferred": true
    },
    {
        "name": "12.0",
        "version": "12.0/",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/12.0/"
    },
    {
        "name": "11.0",
        "version": "11.0/",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/11.0/"
    },
    {
        "name": "10.0",
        "version": "10.0/",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/10.0/"
    },
    {
        "name": "9.0",
        "version": "9.0/",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/9.0/"
    },
    {
        "name": "8.0",
        "version": "8.0/",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/8.0/"
    },
    {
        "name": "7.0",
        "version": "7.0/",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/7.0/"
    },
    {
        "name": "6.0",
        "version": "6.0/",
        "url": "file:///Users/alenkafrim/repos/arrow-site/docs/6.0/"
    },
    {
        "name": "5.0",
        "version": "5.0/",
        "url": "https://arrow.apache.org/docs/5.0/"
    },
    {
        "name": "4.0",
        "version": "4.0/",
        "url": "https://arrow.apache.org/docs/4.0/"
    },
    {
        "name": "3.0",
        "version": "3.0/",
        "url": "https://arrow.apache.org/docs/3.0/"
    },
    {
        "name": "2.0",
        "version": "2.0/",
        "url": "https://arrow.apache.org/docs/2.0/"
    },
    {
        "name": "1.0",
        "version": "1.0/",
        "url": "https://arrow.apache.org/docs/dev/"
    }
]