draft: refactor project so it sits on top of a standalone app

zero.Web.UI/node_modules/underscore/modules/.eslintrc

@@ -0,0 +1,12 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 6,
+    "sourceType": "module",
+  },
+  "plugins": [
+    "import"
+  ],
+  "extends": [
+    "plugin:import/errors"
+  ]
+}

zero.Web.UI/node_modules/underscore/modules/index-all.js

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+export { default } from './index-default.js';
+export * from './index.js';

zero.Web.UI/node_modules/underscore/modules/index-default.js

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+import * as allExports from './index.js';
+import { mixin } from './index.js';
+
+// Add all of the Underscore functions to the wrapper object.
+var _ = mixin(allExports);
+// Legacy Node.js API
+_._ = _;
+// Export the Underscore API.
+export default _;