Add gravity flow demo

woocomerce-order/package.json

@@ -14,6 +14,7 @@
     "case-sensitive-paths-webpack-plugin": "2.1.1",
     "chalk": "1.1.3",
     "cross-fetch": "^2.2.1",
+    "crypto-js": "^3.1.9-1",
     "css-loader": "0.28.7",
     "dotenv": "4.0.0",
     "dotenv-expand": "4.2.0",
@@ -27,6 +28,7 @@
     "extract-text-webpack-plugin": "3.0.2",
     "file-loader": "1.1.5",
     "fs-extra": "3.0.1",
+    "gravity-forms-api": "0.0.9",
     "html-webpack-plugin": "2.29.0",
     "jest": "20.0.4",
     "object-assign": "4.1.1",