Trains-agent

Features and Bug Fixes
- Improve configuration wizard
- Improve docker and k8s support
- Add docker build command
- Add initial Poetry support
- Fix docker CUDA support

Features and Bug Fixes
* Windows support! YES, you can now have Windows machines as part of your cluster (notice --docker is not supported on Windows)
* Add initial Conda package manager support (still in beta)
* Add --gpus and --cpu-only for easier GPU control when running multiple `trains-agent` instances on the same machine
* Add [python_binary](https://github.com/allegroai/trains-agent/blob/master/docs/trains.confL35) can now be specified (the default is the same python binary executing the `trains-agent`)
* Fix Issue 2

TRAINS Agent - Initial Release

* TRAINS Agent currently supports Linux & Mac
* Python packaging system supported: pip
* Containers supported: Docker v19.03 and above
* Version Control supporedt: git
* Support for standalone scripts & Jupyter Notebooks
* TRAINS-server v0.12 and above
* TRAINS v0.11.3 and above
* Sample configuration file available [here](https://github.com/allegroai/trains-agent/blob/master/docs/trains.conf)