[css-color-3] link ED, fix w3c#2445

Author: svgeesus

css-color-3/Overview.src.html

@@ -68,6 +68,8 @@ <h2 class="no-num no-toc">[LONGSTATUS] <time class="dt-updated" datetime="[CDATE
     <dd><a href="https://www.w3.org/TR/[SHORTNAME]">https://www.w3.org/TR/[SHORTNAME]</a></dd>
   <dt>Previous version:</dt>
     <dd><a rel="prev" href="https://www.w3.org/TR/2011/REC-css3-color-20110607/">https://www.w3.org/TR/2011/REC-css3-color-20110607/</a></dd>
+  <dt>Editor's Draft:</dt>
+    <dd><a href="https://drafts.csswg.org/css-color-3/" class="u-url">https://drafts.csswg.org/css-color-3/</a></dd>
   <dt>Feedback:</dt>
     <dd><a href="https://github.com/w3c/csswg-drafts/issues">GitHub Issues</a> are preferred for discussion of this specification.
       When filing an issue, please put the text “css-color-3” in the title,