function upload(e) {
    e.preventDefault()


    let files = e.target.icon.files

    console.log("da vao", files[0])

    let formData = new FormData()
    formData.append("file", files[0])
    formData.append("upload_preset", "testpreset")
    formData.append("cloud_name", "dusw32tsq")

    axios.post("https://api.cloudinary.com/v1_1/dusw32tsq/image/upload",
formData
    )
    .then(res => {
        console.log("thanh2 cong6", res)
        document.querySelector("img").src = res.data.secure_url
    })
}