2021.9.10

Changes:

• Support "minimized" structures (#343).
  "Minimized" here means structures with missing critical fields, like species, lattice_vectors, etc.
• Increase default page_limit to 25 (#343).
• Update disabled providers list (#343):
  Enable: OMDB and 2DMatpedia
  Disable: JARVIS
• Update dependencies:
  • voila~=0.2.12
  • widget-periodictable~=3.0