build(ariadne): vendor serde crates

third_party/crates/itoa-1.0.18/README.md

@@ -0,0 +1,65 @@
+itoa
+====
+
+[<img alt="github" src="https://img.shields.io/badge/github-dtolnay/itoa-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="20">](https://github.com/dtolnay/itoa)
+[<img alt="crates.io" src="https://img.shields.io/crates/v/itoa.svg?style=for-the-badge&color=fc8d62&logo=rust" height="20">](https://crates.io/crates/itoa)
+[<img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-itoa-66c2a5?style=for-the-badge&labelColor=555555&logo=docs.rs" height="20">](https://docs.rs/itoa)
+[<img alt="build status" src="https://img.shields.io/github/actions/workflow/status/dtolnay/itoa/ci.yml?branch=master&style=for-the-badge" height="20">](https://github.com/dtolnay/itoa/actions?query=branch%3Amaster)
+
+This crate provides a fast conversion of integer primitives to decimal strings.
+The implementation comes straight from [libcore] but avoids the performance
+penalty of going through [`core::fmt::Formatter`].
+
+See also [`zmij`] for printing floating point primitives.
+
+[libcore]: https://github.com/rust-lang/rust/blob/1.92.0/library/core/src/fmt/num.rs#L190-L253
+[`core::fmt::Formatter`]: https://doc.rust-lang.org/std/fmt/struct.Formatter.html
+[`zmij`]: https://github.com/dtolnay/zmij
+
+```toml
+[dependencies]
+itoa = "1.0"
+```
+
+<br>
+
+## Example
+
+```rust
+fn main() {
+    let mut buffer = itoa::Buffer::new();
+    let printed = buffer.format(128u64);
+    assert_eq!(printed, "128");
+}
+```
+
+<br>
+
+## Performance
+
+The [itoa-benchmark] compares this library and other Rust integer formatting
+implementations across a range of integer sizes. The vertical axis in this chart
+shows nanoseconds taken by a single execution of
+`itoa::Buffer::new().format(value)` so a lower result indicates a faster
+library.
+
+[itoa-benchmark]: https://github.com/dtolnay/itoa-benchmark
+
+![performance](https://raw.githubusercontent.com/dtolnay/itoa/master/itoa-benchmark.png)
+
+<br>
+
+#### License
+
+<sup>
+Licensed under either of <a href="LICENSE-APACHE">Apache License, Version
+2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option.
+</sup>
+
+<br>
+
+<sub>
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
+be dual licensed as above, without any additional terms or conditions.
+</sub>