Split plugins

docs/scripts/01-initial.js

@@ -0,0 +1,15 @@
+const Metalsmith = require('metalsmith');
+const filter = require('metalsmith-filter');
+
+const regex_initial = '**/initial-variables.sass';
+const initial_plugin = require('./plugins/01-read-initial-variables');
+
+Metalsmith(__dirname)
+  .source('../../sass')
+  .destination('./variables')
+  .clean(true)
+  .use(filter(regex_initial))
+  .use(initial_plugin())
+  .build(function(err) {
+    if (err) throw err;
+  });