Interactive Workspace Guides & Classical Scriptorium Theme Alignment

Consolidated the geometor.explorer usage documentation, roadmap collections, and site navigation under the unified photon-platform.publish Classical Scriptorium theme.

Highlights

• Complete Usage Collection: Organized the 8 interactive workspace guides (getting_started, canvas, controls, cli, analysis, animation, export, and shortcuts) into a structured .. collection::.

• Unified Navigation & Logs: Standardized header and footer navigation ordering and enabled chronological progress logging.