Add

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="100"
    height="100"
    viewBox="0 0 490.667 490.667"
>
    <linearGradient
        id="a"
        x1="-46.263"
        x2="-24.143"
        y1="623.711"
        y2="601.591"
        gradientTransform="matrix(21.3333 0 0 -21.3333 996.333 13315.223)"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#369cdc" />
        <stop offset="1" stop-color="#aa56d0" />
    </linearGradient>
    <path
        d="M458.667 0H32C14.357 0 0 14.357 0 32v426.667c0 17.643 14.357 32 32 32h426.667c17.643 0 32-14.357 32-32V32c0-17.643-14.358-32-32-32zm10.666 458.667c0 5.867-4.779 10.667-10.667 10.667H32c-5.888 0-10.667-4.8-10.667-10.667V32c0-5.867 4.779-10.667 10.667-10.667h426.667c5.888 0 10.667 4.8 10.667 10.667v426.667z"
        fill="url(#a)"
    />
    <linearGradient
        id="b"
        x1="-38.057"
        x2="-32.35"
        y1="615.505"
        y2="609.798"
        gradientTransform="matrix(21.3333 0 0 -21.3333 996.333 13315.223)"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#369cdc" />
        <stop offset="1" stop-color="#aa56d0" />
    </linearGradient>
    <path
        d="M352 234.667h-96v-96c0-5.888-4.779-10.667-10.667-10.667s-10.667 4.779-10.667 10.667v96h-96c-5.888 0-10.667 4.779-10.667 10.667S132.779 256 138.667 256h96v96c0 5.888 4.779 10.667 10.667 10.667S256 357.888 256 352v-96h96c5.888 0 10.667-4.779 10.667-10.667s-4.779-10.666-10.667-10.666z"
        fill="url(#b)"
    />
</svg>