Move tasks to separate files and simplify

gulp/tasks/sync.js

@@ -0,0 +1,25 @@
+const config = require('../config');
+const browserSync = require('browser-sync'), server = browserSync.create();
+
+// Automagically reload browsers
+function reload(done) {
+  server.reload();
+
+  done();
+}
+
+// Serve files to the browser
+function serve(done) {
+  server.init({
+    index: config.index,
+    open: false,
+    server: config.dev
+  });
+
+  done();
+}
+
+module.exports = {
+  serve: serve,
+  reload: reload,
+};