Document all wasmtime-wasi-http features on docs.rs (#11754)

Similar to other crates, copy the configuration for this crate.

Author: alexcrichton

crates/wasi-http/Cargo.toml

@@ -11,6 +11,9 @@ description = "Experimental HTTP library for WebAssembly in Wasmtime"
 [lints]
 workspace = true
 
+[package.metadata.docs.rs]
+all-features = true
+
 [features]
 default = ["default-send-request"]
 default-send-request = ["dep:tokio-rustls", "dep:rustls", "dep:webpki-roots"]

crates/wasi-http/src/lib.rs

@@ -218,6 +218,7 @@
 #![deny(missing_docs)]
 #![doc(test(attr(deny(warnings))))]
 #![doc(test(attr(allow(dead_code, unused_variables, unused_mut))))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 mod error;
 mod http_impl;