Added gulp package with static version

Author: sridurgha

package.json

@@ -56,6 +56,7 @@
         "core-js": "^2.5.4",
         "cross-env": "^5.2.0",
         "fuse.js": "^3.2.0",
+        "gulp": "3.9.1",
         "increase-memory-limit": "^1.0.7",
         "rxjs": "~6.2.0",
         "zone.js": "~0.8.26"