about #35: how to build crate at home

README.md

@@ -101,6 +101,18 @@ About the task bar buttons:
 
 ## Developers
 
+<b>To build</b> CRATE at home, you need [git](https://git-scm.com/),
+[bower](http://bower.io/), and [lessc](http://lesscss.org/). In a terminal, type
+the following commands:
+```
+$ git clone http://github.com/chat-wane/crate.git
+$cd crate
+
+$ bower install
+$ lessc css/style.less css/generatedstyle.css
+```
+Now you are able to open the <i>index.html</i> file using your web browser.
+
 CRATE comprises the following main components (i) LSeq [1, 2] manages the shared
 document; (ii) Spray [3] builds the network of browsers.