Features
* added a do nothing callback ()
* changed EpisodeLength to EpisodeLength_Steps , episode length in steps not realtime ()
* configs for docking 1d eval ()
* configs for evaluation and 1d docking env ()
* fixed 1d docking serialize function ()
* get rid of unneeded typing.Union ()
* new arrangement for 1d docking agent ()
* provided a config update that does nothing ()
* setup a default for the eval_config_update and changed it appropriately in 1d docking config file ()
* switched around simulator reset parameters to exist in docking1d_env not in docking1d_agent config ()
* track episode length by number of steps not seconds ()
* update to EpisodeLength_Steps metric in config ()
* update to the 1d docking eval config ()
* update to using ValueWithUnits in Validator and for building state ()
* updated launch commands and metrics config for 1d Docking ()
* working docking 1d test cases config ()