Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/webpack/bootstrap

@@ -0,0 +1,30 @@
+// The module cache
+var __webpack_module_cache__ = {};
+
+// The require function
+function __webpack_require__(moduleId) {
+	// Check if module is in cache
+	var cachedModule = __webpack_module_cache__[moduleId];
+	if (cachedModule !== undefined) {
+		return cachedModule.exports;
+	}
+	// Create a new module (and put it into the cache)
+	var module = __webpack_module_cache__[moduleId] = {
+		id: moduleId,
+		loaded: false,
+		exports: {}
+	};
+
+	// Execute the module function
+	__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+
+	// Flag the module as loaded
+	module.loaded = true;
+
+	// Return the exports of the module
+	return module.exports;
+}
+
+// expose the modules object (__webpack_modules__)
+__webpack_require__.m = __webpack_modules__;
+