npm install http-signatureyarn add http-signaturepnpm add http-signature<script src="https://fastly.jsdelivr.net/npm/http-signature"></script><script src="https://unpkg.com/http-signature"></script><script type="module">
import httpsignature from 'https://cdn.jsdelivr.net/npm/http-signature/+esm';
</script><script type="module">
import httpsignature from 'https://cdn.skypack.dev/http-signature';
</script>