Add links to arxiv versions of book chapters, were available?

[fingolfin]

At the very least the cornerstones

• https://arxiv.org/abs/2308.07459
• https://arxiv.org/abs/2404.05871
• https://arxiv.org/abs/2404.06858
• https://arxiv.org/abs/2404.12085

The following also seem to be relevant, but someone should double check / ask the authors

• https://arxiv.org/abs/2311.08792
• many more in this search

Perhaps @HereAround and @aaruni96 can have a look when they are back in Kaiserslautern from ICMS