feat(GA): Implemented and documented google analytic tracking

docs/guide/cli.md

@@ -113,6 +113,18 @@ config is merged with the defaults:
   }
 })
 
+```
+### `configureDocs(config)`
+Configure the docs options. 
+
+config is merged with the defaults:
+```javascript
+.configureDocs({
+  meta: { //any attribute listed here is made available to the context of all handlebars templates
+    gaCode: null, // Google Analytic tracking code. If null the tracking snippet will not be embedded
+  }
+})
+
 ```
 
 ## Uninstall

docs/guide/documentation.md

@@ -86,8 +86,7 @@ Any file that matches the same name as the toolchain will override the default.
 ### Variables
 The `./package.json` file content is available globally to handlebars templates at `{{pkg}}`
 
-Currently there is no other options to pass in extra variables, 
-if you'd like this capability, [get in touch](https://github.com/ubiquits/toolchain/issues).
+Any additional variables that you would like to add can be defined by [configuring the `meta` object of `configureDocs()` in the `ubiquits.js` file](http://localhost:8080/guide/cli/#-configuredocs-config-)
 
 ## TypeDoc
 To document your API in it's full detail, [TypeDoc](http://typedoc.io) is used to automatically generate documentation.
@@ -106,6 +105,9 @@ By default, the documentation will deploy to the `gh-pages` branch at your repos
 
 If you have different requirements, see the [`UbiquitsProject.configureDeployment()`](/guide/cli/#-configuredeployment-config-) section for configuration options.
 
+### Google Analytics
+You can add tracking with [Google Analytics](https://analytics.google.com) to your documentation by [configuring the `meta.gaCode` property of `configureDocs()` in the `ubiquits.js` file](http://localhost:8080/guide/cli/#-configuredocs-config-) 
+
 ### Travis CI
 To automate deployment fully, you can use TravisCI to run the deployment process, however you will need to configure
  keys so that Travis can push the documentation into the target branch.

ubiquits.js

@@ -6,6 +6,12 @@ const project = new UbiquitsProject(__dirname)
       branch: 'master',
       repo: '[email protected]:ubiquits/ubiquits.github.io.git'
     }
-  });
+  })
+  .configureDocs({
+    meta: {
+      gaCode: 'UA-79131526-1'
+    }
+  })
+;
 
 module.exports = project;