const [picture,setPicture] = useState('')
    const [pictureUrl,setPictureUrl] = useState('')


 // handle picture display
    const displayPicture = (e) => {
        let reader = new FileReader();
        let file = e.target.files[0]
        reader.onloadend = ()=> {
            setPicture(file)
            setPictureUrl(reader.result)
        }
        if (file){
            reader.readAsDataURL(file);
        }
    };

    const sendPicture = ()=> {
        storage.child(`cooker/cookerBusinessImages/${new Date().getTime()}`).put(picture).then(console.log)
    }