wakuconnect-chat-sdk/packages/icons/svg/20/add-icon.svg

<svg
  xmlns="http://www.w3.org/2000/svg"
  width="20"
  height="20"
  fill="none"
  viewBox="0 0 20 20"
>
  <path
    fill="currentColor"
    fill-rule="evenodd"
    d="M9.4 10.6v5.9h1.2v-5.9h5.9V9.4h-5.9V3.5H9.4v5.9H3.5v1.2h5.9Z"
    clip-rule="evenodd"
  />
</svg>