added link to draft implementation report

Author: ylafon

publish/service_worker_1/CR-service-workers-20191003/index.html

@@ -1517,7 +1517,9 @@ <h2 class="no-num no-toc no-ref heading settled" id="status"><span class="conten
    <p> This document was published by the <a href="https://www.w3.org/sw/">Service Workers Working Group</a> as a Candidate Recommendation. This document is intended to become a <abbr title="World Wide Web Consortium">W3C</abbr> Recommendation.
     This document will remain a Candidate Recommendation at least until <time class="status-deadline" datetime="2019-11-29">29 November 2019</time> in order
     to ensure the opportunity for wide review. </p>
-   <p></p>
+
+   <p>An <a href="https://www.w3.org/sw/v1/implementation-report">implementation report</a> will be available. Per <a href="https://www.w3.org/2017/08/sw-charter">charter</a>, this specification is expected to have <a href="https://www.w3.org/Consortium/Process/#implementation-experience">at least two independent implementations</a> of each feature defined.</p>
+
    <p> Feedback and comments on this specification are welcome, please send them to <a href="mailto:[email protected]?subject=%5Bservice-workers%5D">[email protected]</a> (<a href="mailto:[email protected]?subject=subscribe">subscribe</a>, <a href="https://lists.w3.org/Archives/Public/public-webapps/">archives</a>) with <code>[service-workers]</code> at the start of your email’s subject. </p>
    <p> Publication as a Candidate Recommendation does not imply endorsement by the W3C
     Membership. This is a draft document and may be updated, replaced or