Beginning to document v8 integration.

Doc/Manual/Javascript.md

@@ -200,6 +200,15 @@ An integration of a native extension 'example' would look like this:
     }
 
 
+### Embedded V8
+
+It is possible to create a custom application like `node.js` embedding a v8 engine.
+
+TODO:
+- how to install v8
+- v8 version issues: command-line switch, pre-processor macro
+- sample integration code
+
 
 ## Implementation