Como adicionar jQuery para Shopify

<!-- Include jQuery in your theme.liquid file, between <head> tag  -->
  
  <head>
    <script
    src="https://code.jquery.com/jquery-3.4.1.js"
    integrity="sha256-WpOohJOqMqqyKL9FccASB9O0KwACQJpFTUBLTYOVvVU="
    crossorigin="anonymous">
  	</script>  
  </head>
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