Add comprehensive tests for role middleware and fix package dependencies

node_modules/binary-extensions/readme.md

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+# binary-extensions
+
+> List of binary file extensions
+
+The list is just a [JSON file](binary-extensions.json) and can be used anywhere.
+
+## Install
+
+```sh
+npm install binary-extensions
+```
+
+## Usage
+
+```js
+const binaryExtensions = require('binary-extensions');
+
+console.log(binaryExtensions);
+//=> ['3ds', '3g2', …]
+```
+
+## Related
+
+- [is-binary-path](https://github.com/sindresorhus/is-binary-path) - Check if a filepath is a binary file
+- [text-extensions](https://github.com/sindresorhus/text-extensions) - List of text file extensions