first Github release

New home for CM1

• based on web site https://www2.mmm.ucar.edu/people/bryan/cm1/
• src/ code from cm1r21 tar file

What's Changed

• Migrated user_guide_brief to README.md; added dropdown menus
• dowloadcode/ renamed releases/
• removed namelists directory. Now found in run/.
• pyproject.toml
• cm1 subdirectory has Python source files
  • run test cases
  • input soundings from ERA5
• scripts/run_case script to run test cases
• copied from github.com/ahijevyc/cm1 by @ahijevyc in #1
• clean up notebooks by @ahijevyc in #2

New Contributors

• @ahijevyc made their first contribution in #1

Full Changelog: https://github.com/NCAR/CM1/commits/21.1