NSLS-II/sirepo-bluesky: sirepo-bluesky v0.7.0

What's Changed Created .json and .yaml exporters and tests by @rlb131 in https://github.com/NSLS-II/sirepo-bluesky/pull/120 TST: Removed detector tests due to ophyd update by @rlb131 in https://github.com/NSLS-II/sirepo-bluesky/pull/122 Added empty beamline built-in simulation by @rlb131 in https://github.com/NSLS-II/sirepo-bluesky/pull/124 Added stateless-compute for CRL characteristics by @rlb131 in https://github.com/NSLS-II/sirepo-bluesky/pull/121 STY: add black formatter for Jupyter notebooks by @mrakitin in https://github.com/NSLS-II/sirepo-bluesky/pull/126 Suppress shadow stdout by @thomaswmorris in https://github.com/NSLS-II/sirepo-bluesky/pull/128 convert integer sirepo parameters to floats by @thomaswmorris in https://github.com/NSLS-II/sirepo-bluesky/pull/127 Beam stats by @thomaswmorris in https://github.com/NSLS-II/sirepo-bluesky/pull/129 Propagation parameters by @rlb131 in https://github.com/NSLS-II/sirepo-bluesky/pull/130 DOC: convert README.rst to README.md by @mrakitin in https://github.com/NSLS-II/sirepo-bluesky/pull/131 Bugfix react frontend by @rlb131 in https://github.com/NSLS-II/sirepo-bluesky/pull/133 Expand jupyter notebook by @rlb131 in https://github.com/NSLS-II/sirepo-bluesky/pull/132 Clarified Spectrum report notebook by @rlb131 in https://github.com/NSLS-II/sirepo-bluesky/pull/134 DOC: release notes for v0.7.0 by @mrakitin in https://github.com/NSLS-II/sirepo-bluesky/pull/135 New Contributors @rlb131 made their first contribution in https://github.com/NSLS-II/sirepo-bluesky/pull/120 Full Changelog: https://github.com/NSLS-II/sirepo-bluesky/compare/v0.6.2...v0.7.