Update readme.md

panoramix/assets/readme.md

@@ -9,14 +9,28 @@ managed with npm.
 Using npm to generate bundled files
 -----------------------------------
 
-To install third party libraries defined in package.json, run the following within this directory
+#### npm
+First, npm must be available in your environment. If it is not you can run the following commands 
+(taken from [this source](https://gist.github.com/DanHerbert/9520689)) 
+```
+brew install node --without-npm
+echo prefix=~/.npm-packages >> ~/.npmrc
+curl -L https://www.npmjs.com/install.sh | sh
+```
+
+The final step is to add ```~/.node/bin``` to your ```PATH``` so commands you install globally are usable. Add something like this to your ```.bashrc``` or ```.zshrc``` file.
+```
+export PATH="$HOME/.node/bin:$PATH"
+```
+
+#### npm packages
+To install third party libraries defined in ```package.json```, run the following within this directory which will install them in a new ```node_modules/``` folder within ```assets/```.
 
 ```
 npm install
 ```
 
-To parse and generate bundled files, run either of the following. The dev flag will keep the npm script running
-and re-run upon any changes within the dev directory
+To parse and generate bundled files for panoramix, run either of the following commands. The ```dev``` flag will keep the npm script running and re-run it upon any changes within the assets directory.
 
 ```
 npm run prod