lisp/ob-eshell.el: Add a Homepage header

lisp/ob-eshell.el

@@ -4,6 +4,7 @@
 
 ;; Author: stardiviner <numbchild@gmail.com>
 ;; Maintainer: stardiviner <numbchild@gmail.com>
+;; Homepage: https://github.com/stardiviner/ob-eshell
 ;; Keywords: literate programming, reproducible research
 ;; Homepage: https://orgmode.org