meta: move rules in own folder

gulpfile.js

@@ -21,7 +21,13 @@ function assets() {
     .pipe(dest('dist'));
 }
 
+function rules() {
+  return src(['rules/**/*'])
+    .pipe(dest('dist'));
+}
+
 exports.html = html;
 exports.dep  = dep;
 exports.assets  = assets;
-exports.default = parallel(html, dep, assets);
+exports.rules  = rules;
+exports.default = parallel(html, dep, assets, rules);