php code

if( function_exists('acf_add_options_page') ) {

    acf_add_options_page(array(
        'page_title'    => 'Theme Settings',
        'menu_title'    => 'Theme Settings',
        'menu_slug'     => 'theme-settings',
        'capability'    => 'edit_posts',
        'redirect'      => false
    ));
}


/*** add SVG to allowed file uploads */
function mym_custom_mime_types( $mimes ) {
    // New allowed mime types.
    $mimes['svg'] = 'image/svg+xml';
    $mimes['svgz'] = 'image/svg+xml';
    $mimes['doc'] = 'application/msword';

    // Optional. Remove a mime type.
    unset( $mimes['exe'] );

    return $mimes;
}
add_filter( 'upload_mimes', 'mym_custom_mime_types' );