Merge pull request #33 from breznak/readme_webpack

Document webpack installation and runnig

README.md

@@ -1,7 +1,16 @@
+# Cell-viz
+
 This is an attempt at recreating an old illustration.  See it live at
 https://numenta.github.io/cell-viz/ or fiddle with it at http://jsfiddle.net/7tbm3mv1/4/.
 
-Usage
+## Dependencies
+
+```
+npm install webpack
+```
+Webpack can be installed and run [locally](https://webpack.js.org/guides/installation/#local-installation), or [globally](https://webpack.js.org/guides/installation/#global-installation)
+
+## Usage
 -----
 
 Run a simple server suitable for development:
@@ -19,7 +28,7 @@ $ webpack
 
 Use `out/dyson.js`;
 
-Examples
+## Examples
 --------
 
 Open `example1.html`, `example2.html`, or `example3.html`.