Add Newton course notebook, improve ViewerViser#2415

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eric-heiden wants to merge 15 commits intonewton-physics:mainfrom

eric-heiden:course-notebook

Commits on Mar 31, 2026

Initial check-in of the GTC course notebook
eric-heiden
committed

Commits on Apr 6, 2026

Clean up, add license header
eric-heiden
committed

Commits on Apr 7, 2026

Improve tutorial notebook
eric-heiden
committed

Commits on Apr 11, 2026

Add changelog entry for introductory tutorial notebook
eric-heiden
committed

Commits on Apr 15, 2026