docs: add GitHub avatars for joshbickett and lupie

Author: joshbickett

authors.yaml

@@ -365,7 +365,9 @@ rkoenig-openai:
 joshbickett:
   name: "Josh Bickett"
   website: "https://www.linkedin.com/in/josh-bickett-4219b166/"
+  avatar: "https://avatars.githubusercontent.com/u/42594239"
 
 lupie:
   name: "Lucie Lozinski"
-  website: "https://twitter.com/thisloops"
+  website: "https://twitter.com/thisloops"
+  avatar: "https://avatars.githubusercontent.com/u/6293148"