Evaluate Documentation engine

[gtrevisan]

TLDR:

1. mkdocs vs plugins repercussions?
2. will upgrading to mkdocs >2 cause issues?
3. will pinning to mkdocs <2 cause issues?
4. what about moving to zensical?

refs:

• https://squidfunk.github.io/mkdocs-material/blog/2026/02/18/mkdocs-2.0/
• https://squidfunk.github.io/mkdocs-material/blog/2025/11/05/zensical/