Orchest tool

[SilinPavel]

This PR provides new Orchest tool

Orchest is a web based tool for creating data science pipelines. Under the hood Orchest runs a collection of containers to provide a scalable platform that can run on your laptop as well as on a large scale cloud cluster.

Additional information and quick start tutorial could be found here: https://github.com/orchest/orchest

Steps to check that everything works fine:

• Start Orchest tool
• Wait until all internal containers will start and Orchest tool will be available on 8000 port (~ 3 minutes)
• Create test project as described in (https://orchest.readthedocs.io/en/stable/getting_started/quickstart.html)
• Create new pipeline
• Wait until environment will be ready
• Create new step in the pipeline and open it with Jupiter
• Write down some code (some small one with any results that could confirm that Python interpreter is working e.g. 2 + 2 or print("Hello") )
• Go back to Orchest view
• Run this step
• Go back in Jupiter view and check that results are available

Also whole quick tutorial could be performed to check that everything works fine (https://orchest.readthedocs.io/en/stable/getting_started/quickstart.html)