hardcoding broken link for example 1

Author: pmackle

templates/esignature/eg001_embedded_signing.html

@@ -13,7 +13,7 @@ <h4>1. Use embedded signing</h4>
     <a target ='_blank' href="https://developers.docusign.com/docs/esign-rest-api/reference/envelopes/envelopeviews/createrecipient/">EnvelopeViews::createRecipient</a>.
 </p>
 <p>
-    View source file <a target="_blank" href="{{ source_url | raw }}">{{ source_file }}</a> on GitHub.
+    View source file <a target="_blank" href="https://github.com/docusign/code-examples-php/blob/master/src/EG001EmbeddedSigning.php">{{ source_file }}</a> on GitHub.
 </p>
 
 <form class="eg" action="" method="post" data-busy="form">