Update node readme

modules/node/README.md

@@ -3,11 +3,31 @@ Node.js
 
 Provides utility functions for [Node.js][1] and loads [npm][2] completion.
 
+nvm
+---
+
+Loads [nvm][5], which allows for managing multiple, isolated node.js
+installations in the home directory.
+
 Functions
 ---------
 
   - `node-doc` opens the Node.js online [API documentation][3] in the default
     browser.
+  - `node-info` exposes information about the node.js environment via the
+    `$node_info` associative array.
+
+Theming
+-------
+
+To display the version number of the current node.js instance (when nvm is
+setup), define the following style inside the `prompt_name_setup` function.
+
+    # %v - node.js version
+    zstyle ':prezto:module:node:info:version' format 'version:%v'
+
+Then add `$node_info[version]` to either `$PROMPT` or `$RPROMPT` and call
+`node-info` in `prompt_name_preexec` hook function.
 
 Authors
 -------
@@ -15,9 +35,11 @@ Authors
 *The authors of this module should be contacted via the [issue tracker][4].*
 
   - [Sorin Ionescu](https://github.com/sorin-ionescu)
+  - [Zeh Rizzatti](https://github.com/zehrizzatti)
 
 [1]: http://nodejs.org
 [2]: http://npmjs.org
 [3]: http://nodejs.org/api
 [4]: https://github.com/sorin-ionescu/prezto/issues
+[5]: https://github.com/creationix/nvm