function addVideoStream(streamId){

    let streamDiv=document.createElement("div");
    // Create a new div for every stream

    streamDiv.id=streamId;
    // Assigning id to div

    streamDiv.style.transform="rotateY(180deg)";
    // Takes care of lateral inversion (mirror image)

    remoteContainer.appendChild(streamDiv);
    // Add new div to container
}