1.0.0_rc31, using new PDF template

Using new PDF template.
All known ARC notes done.
All PDFs are marked as follows:

Version 1.0.0_rc31, May 07, 2024: Stable state (ready for Freeze)

Next step (after ARC will approve these PDFs) are here:

https://github.com/riscv-non-isa/tg-nexus-trace?tab=readme-ov-file#todo-before-official-freeze