Feature
* Add group spec for text predictor spec ([`75a0112`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/75a0112f7c2717d16e1996d5087d993ba7f75cc4))
Fix
* Update type hints ([`887bc06`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/887bc062bf970690077fea105b5ca77018049e6d))
* Incorrect naming of aggregation_fn ([`0a4607e`](https://github.com/Aarhus-Psychiatry-Research/timeseriesflattener/commit/0a4607ee48e9dd6227205bca09ab123b6d30504a))