Correct name typo and add some form of contact (w3c#7888)

Author: jh3y

css-anchor-1/Overview.bs

@@ -7,7 +7,7 @@ Group: csswg
 Work Status: exploring
 ED: https://drafts.csswg.org/css-anchor-1/
 Editor: Tab Atkins-Bittner, Google, http://xanthir.com/contact/, w3cid 42199
-Editor: Jhey Thompkins, Google
+Editor: Jhey Tompkins, Google, https://twitter.com/jh3yy, w3cid 137616
 Editor: Ian Kilpatrick, Google
 Abstract: This specification defines 'anchor positioning', where a positioned element can size and position itself relative to one or more "anchor elements" elsewhere on the page.
 </pre>
@@ -633,4 +633,4 @@ Nil.
 Privacy Considerations {#priv}
 ======================
 
-Nil.
+Nil.