Moving JS Files to Footer Wordpress

footer-js.js

/**
 * Theme assets
 */
function assets() {

  wp_enqueue_style('sage/css', Assets\asset_path('styles/main.css'), false, null);

  if (is_single() && comments_open() && get_option('thread_comments')) {
	 wp_enqueue_script('comment-reply');
  }

  //wp_enqueue_script('sozo/js', Assets\asset_path('scripts/plugins.js'), ['jquery'], null, true);
  // wp_enqueue_script('sage/js', Assets\asset_path('jquery/jquery.js'), [''], null, true);
  wp_enqueue_script('modernizr', Assets\asset_path('scripts/modernizr.js'), [], null, true);
  wp_enqueue_script('sage/js', Assets\asset_path('scripts/main.js'), ['jquery'], null, true);
}
add_action('wp_enqueue_scripts', __NAMESPACE__ . '\\assets', 100);

/**
 * Move jQuery to the footer.
 */
function wpse_173601_enqueue_scripts() {
    wp_scripts()->add_data( 'jquery', 'group', 1 );
    wp_scripts()->add_data( 'jquery-core', 'group', 1 );
    wp_scripts()->add_data( 'jquery-migrate', 'group', 1 );
}
add_action( 'wp_enqueue_scripts', __NAMESPACE__ . '\\wpse_173601_enqueue_scripts' );

function init_scripts() {
return true;
}

add_filter('gform_init_scripts_footer', __NAMESPACE__ . '\\init_scripts');