Add Envelope

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 32 32"
>
    <linearGradient id="a">
        <stop offset="0" stop-color="#f0f" />
        <stop offset="1" stop-color="#00f" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="2.05"
        x2="30"
        y1="-39.45"
        y2="-11.5"
        gradientUnits="userSpaceOnUse"
        href="#a"
    />
    <g fill="url(#b)" transform="translate(0 41.5)">
        <path
            d="M4.686-38A2.702 2.702 0 0 0 2-35.314v13.628A2.702 2.702 0 0 0 4.686-19H16.08c.49 3.382 3.406 6 6.92 6 3.854 0 7-3.146 7-7 0-2.78-1.641-5.184-4-6.313v-9.001A2.702 2.702 0 0 0 23.314-38zm18.728 2-8.56 7.518c-.551.483-1.157.483-1.708 0L4.631-35.96c6.345-.082 12.662-.044 18.783-.041zM4-33.852l7.826 6.872a3.305 3.305 0 0 0 4.348 0L24-33.852v6.932a6.96 6.96 0 0 0-1-.08c-3.514 0-6.43 2.618-6.92 6H4.686A.663.663 0 0 1 4-21.686zM23-25c2.773 0 5 2.227 5 5s-2.227 5-5 5-5-2.227-5-5 2.227-5 5-5z"
        />
        <path
            d="M23-23.01a1 1 0 0 0-1 1v1.012h-1.012a1 1 0 0 0-1 1 1 1 0 0 0 1 1H22v1.012a1 1 0 0 0 1 1 1 1 0 0 0 1-1v-1.012h1.012a1 1 0 0 0 1-1 1 1 0 0 0-1-1H24v-1.012a1 1 0 0 0-1-1z"
        />
    </g>
</svg>