Add tanh_normal dist to PPO (#312)

Feature/pixel a2c (#313)

Revert PPO tanh-normal (#310)

Add distribution to config

Add tanh_normal dist to PPO

Let total_steps be modifiable (#303)

Fix/bugfixes (#307)

Tests/Added tests for env wrappers (#296)

feat: bump version to v0.5.7 (#294)

fix: policy steps update in on-policy algorithms (#293)

feat: bump version to 0.5.6 (#292)

Feature/actions as obs (#291)

fix: dv3-imagination notebook (#290)

Update CITATION.cff

Fix compute prefill_steps as policy_steps (#287)