Path fixes

v1.2.0

Handle non-existent input file gracefully (#26)

Export Instructions as PDF

Update license and README with new dependencies

Added xhtml2pdf, ReportLab, html5lib, and pypdf to the LICENSE file with their respective licenses. Updated the README to list xhtml2pdf and ReportLab as project dependencies.

HTML Build Instructions

Refactor and enhance instruction generation logic

Replaces the old PDF/HTML manual logic with a new LEGO-style HTML instruction generator, improves LDraw step parsing, and updates Blender rendering for step-by-step instructions. Refactors 3D export logic for better error handling and output structure. Updates comments and clarifies the launcher batch file description.

Initial Release

v1.0.0

Fix CI: Broader patch for Cycles dependencies in addon