tools() add gulp and clean script

gulpfile.js

@@ -0,0 +1,16 @@
+'use strict';
+/**
+ * Load the TypeScript compiler, then load the TypeScript gulpfile which simply loads all
+ * the tasks. The tasks are really inside tools/gulp/tasks.
+ */
+
+const path = require('path');
+
+const projectDir = __dirname;
+const tsconfigPath = path.join(projectDir, 'tools/gulp/tsconfig.json');
+
+require('ts-node').register({
+  project: tsconfigPath
+});
+
+require('./tools/gulp/gulpfile');