- d2d-perspective.md:
- Update note about perspectives to a warning and use proper admonition style
- Update warning text to remove mention of NCEP perspective and add that GFE doesn't work on mac and windows currently
- Add favicon to see if that fixes Microsoft Edge browswer tab missing icon
- On the CAVE install page, make the bug reporting form open in a new tab
- Update the copyright on the mkdocs.yml to "2023 NSF Unidata Program Center"
- removed all images that don't apply for v20
- removed several extra files that aren't necessary (in the docs/pdf/ and docs/python/ directories)
- renamed some images that were preserved that had random character names, to something descriptive
