[css-text-4] Add "Latest published version" link

Author: kojiishi

css-text-4/Overview.bs

@@ -7,8 +7,9 @@ Status: ED
 Work Status: Exploring
 Group: csswg
 ED: https://drafts.csswg.org/css-text-4/
+TR: https://www.w3.org/TR/css-text-4/
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact
-Editor: Koji Ishii, Invited Expert, kojiishi@gluesoft.co.jp
+Editor: Koji Ishii, Google, kojiishi@gmail.com
 Editor: Alan Stearns, Adobe Systems, stearns@adobe.com
 Abstract: This module defines properties for text manipulation and specifies their processing model. It covers line breaking, justification and alignment, white space handling, and text transformation.
 Ignored terms: segment break, segment breaks