Add pretty-format-toml

[rambleraptor]

Inspired by #2601

Rationale for this change

Adds pretty-format-toml for formatting toml files

Are these changes tested?

I ran make lint

Are there any user-facing changes?

[Fokko]

I'm unsure if we want to sort the thing. The most important stuff is now all the way at the bottom :/

[kevinjqliu]

thanks for adding this. Lets get #2601 in first, and avoid too many moving parts :)

[Fokko]

@kevinjqliu Let's get https://github.com/apache/iceberg-python/pull/2704 in first as well to avoid having all the exclusions to the top of the file 👍