Scaffold README

README.md

 Prototype VF2 proxy service
 ===========================
 
-WIP
+Installation
+------------
+
+Usage
+-----
+
+The ProxyService registers itself in the top-level service manager by
+the name `Service\Proxy'.
+
+Configuration
+-------------
+
+Service API
+-----------
+
+get(string URI[, array PARAMS[, array HEADERS]])
+
+post(string URI[, mixed BODY[, array HEADERS]])
+
+postForm(string URI[, array PARAMS[, array HEADERS]])
+
+proxify(Zend\Http\Client $client[, array $options])
+