added link to kle-serial to README

README.md

@@ -1,6 +1,6 @@
 keyboard-layout-editor
 ----------------------
-[Keyboard-layout-editor.com](http://www.keyboard-layout-editor.com) is a web
+[Keyboard-layout-editor.com](http://www.keyboard-layout-editor.com) (KLE) is a web
 application that enables the editing of keyboard-layouts, i.e., the position
 and appearance of each physical key.
 
@@ -15,6 +15,10 @@ ability to specify various details of the visual-appearance of the keycaps
 is an attempt to render these custom keycap sets as accurately as possible
 (within the constraints of HTML/CSS).
 
+Want to interop with with KLE?  Check out sister-project 
+[kle-serial](https://github.com/ijprest/kle-serial), which includes code to
+deserialize saved layouts.
+
 Links
 -----
 * [Changelog](CHANGELOG.md)