feat: add leptos

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/dagger-rust/src/build.rs

@@ -1,4 +1,4 @@
-use std::{path::PathBuf, sync::Arc};
+use std::path::PathBuf;
 
 use crate::source::RustSource;
 
@@ -251,7 +251,7 @@ pub enum RustVersion {
 
 impl AsRef<RustVersion> for RustVersion {
     fn as_ref(&self) -> &RustVersion {
-        &self
+        self
     }
 }
 
@@ -287,7 +287,7 @@ impl BuildTarget {
         }
     }
 
-    fn into_platform(&self) -> dagger_sdk::Platform {
+    pub fn into_platform(&self) -> dagger_sdk::Platform {
         let platform = match self {
             BuildTarget::LinuxAmd64 => "linux/amd64",
             BuildTarget::LinuxArm64 => "linux/arm64",
@@ -303,7 +303,7 @@ impl BuildTarget {
 
 impl AsRef<BuildTarget> for BuildTarget {
     fn as_ref(&self) -> &BuildTarget {
-        &self
+        self
     }
 }
 
@@ -329,7 +329,7 @@ pub enum BuildProfile {
 
 impl AsRef<BuildProfile> for BuildProfile {
     fn as_ref(&self) -> &BuildProfile {
-        &self
+        self
     }
 }