v2021.3.0 protected

Kyle Sunden

@ksunden

5a13d3d1 · Merge branch 'prep2021.3' into 'master' · Mar 31, 2021

Release: v2021.3.0

### Added
- conda-forge as installation source
- motor daemon implements is-discrete

### Fixed
- added forgotten config options to is-daemon: enable, log_level, and log_to_file