[css-contain] Changes subsection since last CR

Author: frivoal

css-contain-1/Overview.bs

@@ -993,6 +993,13 @@ Answers are provided below.
 
 This appendix is <em>informative</em>.
 
+<h3 id="2019-11-08-changes">Changes from the
+<a href="https://www.w3.org/TR/2019/CR-css-contain-1-20190430/">Candidate Recommendation of 30 April 2019</a></h3>
+
+<p>A full <a href="https://drafts.csswg.org/css-contain/issues-2019-cr.html">Disposition of Comments</a> is available.
+
+* Editorial tweaks
+
 <h3 id="2018-11-08-changes">Changes from the
 <a href="https://www.w3.org/TR/2018/CR-css-contain-1-20181108/">Candidate Recommendation of 08 November 2018</a></h3>