chore: Fix warnings during docs build

and make sure that `cross_toml` shows up as part of the official
documentation along the way.

src/docker/engine.rs

@@ -51,7 +51,7 @@ impl EngineType {
     /// Some container engines, especially podman, do not support the `type`
     /// key of `--cache-from` during the image build steps. They also do
     /// not support any tags for the `--cache-from` steps either. See:
-    /// https://docs.podman.io/en/latest/markdown/podman-build.1.html#cache-from
+    /// <https://docs.podman.io/en/latest/markdown/podman-build.1.html#cache-from>
     #[must_use]
     pub const fn supports_cache_from_type(&self) -> bool {
         matches!(self, Self::Docker | Self::Nerdctl)

src/docker/image.rs

@@ -103,7 +103,7 @@ impl std::fmt::Display for PossibleImage {
 }
 /// The architecture/platform to use in the image
 ///
-/// https://github.com/containerd/containerd/blob/release/1.6/platforms/platforms.go#L63
+/// <https://github.com/containerd/containerd/blob/release/1.6/platforms/platforms.go#L63>
 #[derive(Debug, Clone, PartialEq, Eq, serde::Deserialize)]
 #[serde(try_from = "String")]
 pub struct ImagePlatform {

src/lib.rs

@@ -33,7 +33,7 @@ mod tests;
 pub mod cargo;
 pub mod cli;
 pub mod config;
-mod cross_toml;
+pub mod cross_toml;
 pub mod docker;
 pub mod errors;
 mod extensions;