Package Release 2.0.0

Complete change to the Conda infrastructure:

• to use a dedicated copy of micromamba
• move the environment to Conda/Env
• do away with installation script files

What's Changed

• Conda Extensions 1.1 by @runette in #11
• Remove Progress by @runette in #12
• package for 2.0.0 by @runette in #13

Full Changelog: v1.0.4...2.0.0