added web-animations-js to package.json

Author: HowdyChad

angular/package.json

@@ -65,6 +65,7 @@
         "sweetalert": "^1.1.3",
         "toastr": "^2.1.2",
         "ts-helpers": "^1.1.2",
+        "web-animations-js": "^2.3.1",
         "zone.js": "0.8.17"
     },
     "devDependencies": {