Spiralist 1.0: real media, Realistic mode, cinematic films

Full-quality films made with Spiralist (https://winchxyz.github.io/spiralist/), straight out of the app.

• story-signed-fountain-nero-60fps.mp4: 15 s story film, 60 fps. Fountain pen on sketch paper, Nero marble desk, signed by the pen at the end.
• hero-fountain-nero.mp4: the README's hero film.
• realistic-squiggle-fineliner.mp4 and realistic-stipple-fineliner.mp4: Realistic mode. One 0.4 mm pen at its real width, drawn in the true order, with the hand-time counter.
• desk-*.mp4: one film on each of the eight desks, each with a different medium.

What's in this release: twelve drawing media with real physics (ink soaking along the paper fibres, charcoal grit, wax crayon, graphite sheen, gold glints, watercolour), Realistic mode with four one-line styles and tools at real sizes, a zoom loupe into the paper, cinematic films with premium desks, a signature and Post on X.