Init variables script

docs/scripts/variables.js

@@ -0,0 +1,18 @@
+var Metalsmith = require('metalsmith');
+var filter = require('metalsmith-filter');
+var writemetadata = require('metalsmith-writemetadata');
+
+var regex = '**/*-variables.sass';
+// var regex = '**/*.sass';
+var plugin = require('./read-sass-variables');
+
+Metalsmith(__dirname)
+  .source('../../sass')
+  .destination('./output')
+  .clean(true)
+  .use(filter(regex))
+  .use(plugin())
+  .use(writemetadata())
+  .build(function(err) {
+    if (err) throw err;
+  });