**Enhancements**
- add `django-unicorn` to deps to enable dynamic fullstack web UIs
- add ChemDoodle js/css to website headers for use elsewhere
- add "Example Scripts" section to doc website with several new scripts
- many updates to the web UI to accomodate molecular datasets and workflows
- add `simmate engine` commands to help with tags and different queues
- add docs to help with simmate workers, clusters, and tagging
- add `simmate-vasp` command for common VASP utilities like testing config, plotting, and prepping inputs
- add utilities to chunk larger than memory datafiles (csv, sdf, cifs, etc.)
**Refactors**
- VASP potcar references to "element mappings" is now standarized to "potcar mappings"
- refactor docs with new "Apps" section
- full refactor of `simmate engine` commands. many have been shortened/renamed
- restrategized workflows that use output files from others. The `copy_previous_directory` input parameter has been removed and replaced with workflow attributes like `use_previous_directory` and `has_prerequisite`, combined with an optional `previous_directory` parameter.
**Fixes**
- fix bug where hyphens aren't allowed in the database name
- fix guide for DO database setup
- fix incorrect evolutionary search imports
- hide pymatgen POTCAR warnings
- fix github CI bug for MacOS being unstable
- fix bug for zombie jobs causing evolutionary search to hang
- fix premature triggering of frozen error
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