audima.php

function add_audima_script() {
    wp_enqueue_script( 'audima-script', 'https://audio.audima.co/audima-widget.js', false );
}

add_action( 'wp_enqueue_scripts', 'add_audima_script' );

function audima_the_content( $content ) {
    $custom_content = '<div id="audimaWidget"></div>';
    $custom_content .= $content;
    return $custom_content;
}
add_filter( 'the_content', 'audima_the_content' );