### 🚀 Feature Replace dynamic pipeline initialization of the `engine` with a static version. Will greatly simplify the code to make it easier to maintain. ### Checklist - [x] I have checked that there is no similar [issue](https://github.com/eager-dev/eagerx/issues) in the repo (**required**) <!--- This Template is an edited version of the one from https://github.com/DLR-RM/stable-baselines3 which is an edited version of the one from https://github.com/pytorch/pytorch -->
