adding back in since Alan helped me get added

Author: Adam Argyle

css-color-5/Overview.bs

@@ -10,6 +10,7 @@ Work Status: exploring
 Editor: Chris Lilley, W3C, chris@w3.org, w3cid 1438
 Editor: Una Kravets, Google, https://una.im, w3cid 115525
 Editor: Lea Verou, Invited Expert, http://lea.verou.me/about, w3cid 52258
+Editor: Adam Argyle, Google, https://nerdy.dev, w3cid 112669
 Abstract: This module extends CSS Color [[css-color-4]] to add color modification functions.
 Repository: w3c/csswg-drafts
 </pre>