update reference docs

[dyoder]

update reference docs

[f1337]

Not sure where this belongs. Will happily move to the appropriate destination.

Using modular JS/CS w/ h9 isn't super intuitive. Some documentation would be helpful. Initial notes:

1. Create a directory for your modular JS/CS code under assets/js, beginning with and underscore (_):

   mkdir -p assets/js/_mymodule
   

2. Create a package.json file, and give this module a name. The code in this directory will be compiled to assets/js/#{name}.js.

   {
     "name": "mymodule",
     "dependencies": {
     }
   }
   

3. Now you can require code from other files (in assets/js/_mymodule/somefile.js):

   thing = require("./thing.js")
   

You can also require npm modules:

1. Install the npm module:

   cd assets/js/_mymodule
   npm install --save request
   

2. Require it in your code (in assets/js/_mymodule/somefile.js):

   request = require("request")