🚧 Started work on Sandy port

packages/sandy/example/src/App.js

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+import React from "react";
+import freesewing from "@freesewing/core";
+import Workbench from "@freesewing/components/Workbench";
+import "typeface-roboto-condensed";
+import "@freesewing/css-theme";
+
+import Pattern from "pattern";
+
+const App = props => {
+  let instance = new Pattern();
+  let config = instance.config;
+  return (
+    <Workbench
+      freesewing={freesewing}
+      Pattern={Pattern}
+      config={config}
+      userLanguage="en"
+    />
+  );
+};
+
+export default App;