Codegen'd Rust/Arrow (de)ser 6: serialization (#2549)

**Best reviewed on a commit-by-commit basis; in particular the `rerun
codegen` commit is nothing but generated code.**

Implements serialization for the Rust codegen backend.

---

- #2484
- #2485 
- #2487 
- #2545
- #2546
- #2549
- #2554
- #2570
- #2571

---

<!-- This line will get updated when the PR build summary job finishes.
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PR Build Summary: https://build.rerun.io/pr/2487

<!-- pr-link-docs:start -->
Docs preview: https://rerun.io/preview/87ca70a/docs
Examples preview: https://rerun.io/preview/87ca70a/examples
<!-- pr-link-docs:end -->

_typos.toml

@@ -11,9 +11,10 @@ extend-exclude = [
 
 
 [default.extend-words]
-lod = "lod" # level-of-detail
-teh = "teh" # part of @teh-cmc
-ND = "ND"   # np.NDArray
+lod = "lod"     # level-of-detail
+teh = "teh"     # part of @teh-cmc
+ND = "ND"       # np.NDArray
+somes = "somes" # many `Some`
 
 # American English:
 grey = "gray"

crates/re_types/Cargo.toml

@@ -35,8 +35,11 @@ arrow2 = { workspace = true, features = [
   "io_print",
   "compute_concatenate",
 ] }
+anyhow.workspace = true
 bytemuck = { version = "1.11", features = ["derive", "extern_crate_alloc"] }
 document-features = "0.2"
+itertools.workspace = true
+thiserror.workspace = true
 
 # External (optional)
 ecolor = { workspace = true, optional = true }

crates/re_types/source_hash.txt

@@ -1,4 +1,4 @@
 # This is a sha256 hash for all direct and indirect dependencies of this crate's build script.
 # It can be safely removed at anytime to force the build script to run again.
 # Check out build.rs to see how it's computed.
-32b9eccc275777c29b252374ea6dcd69a3f1a48c42ae79aa5138ec2556526b52
+70d271f9866784d9f0d25b818cd0d45fff1df72aec62ceae9f167f523a5c2d08