Add dashed copper, silk and pin-map inspection layers to component hero
Bind component hero to reviewed marked model and document display provenance
1.2.3: align with library release
1.2.0: align version and provenance
Title: 'MachinePinLargeShort' -> 'Machine Pin Large Short' (human-readable, not camelCase)
hero: new product photo (static image), test aspect
Corrected: round thru-hole pad + real pin-outline symbol + Fusion .lbr + animated 3D (press-fit spec, dims)
Initial commit: component/machinepinlargeshort