Allow accurate rotation, orbit and scale for objects#77

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oknuutti wants to merge 4 commits intotyppo:masterfrom

oknuutti:master

Commits on Feb 13, 2025

fix object rotation
Olli Knuuttila
committed

Commits on Feb 20, 2025

use version 0.173.0 of three.js, start using webgl2, fix resource cleanup, fix moon orbit, and support custom onclick handlers for space object labels
Olli Knuuttila
committed

Commits on Mar 6, 2025

better cleanup code, support changing the visibility of all objects, allow body relative ephem table orbits to be drawn heliocentrically,
Olli Knuuttila
committed

Commits on Aug 12, 2025

relax astropy version requirement so that can support modern python versions
Olli Knuuttila
committed