It is already the license that is used:

```
$ grep -r --include=package.json license | grep -v node_module
packages/data-provider/package.json:  "license": "LGPL-3.0-or-later",
packages/rql-generator/package.json:  "license": "LGPL-3.0-or-later",
packages/client/package.json:  "license": "LGPL-3.0-or-later",
packages/react-form-utils/package.json:  "license": "LGPL-3.0-or-later",
packages/yup/package.json:  "license": "LGPL-3.0-or-later",
```