commit：支持flowable工作流

orange-demo-flowable/orange-demo-flowable-web/README.md

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+## 橙单代码生成器
+### 构建命令
+``` bash
+# install dependencies
+npm install
+
+# serve with hot reload at localhost:8080
+npm run dev
+
+# build for production with minification
+npm run build
+
+# run all tests
+npm test
+```