Update Bonsai viewer headers to identify Bonsai and GPL licensing, add Bonsai Viewer documentation, and document debug output capture.
Generated with the assistance of an AI coding tool.
Directory src/ifcviewer-full -> src/bonsaiviewer, CMake target
IfcViewerFull -> BonsaiViewer, namespace ifcviewerfull -> bonsaiviewer,
QApplication / window titles / connector path now use the new brand.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>