Pass platform paths through a separate redirect handler

Author: Nemo157

src/web/crate_details.rs

@@ -42,7 +42,7 @@ pub struct CrateDetails {
     github_issues: Option<i32>,
     pub(crate) metadata: MetaData,
     is_library: bool,
-    pub(crate) doc_targets: Option<Json>,
+    doc_targets: Option<Json>,
     license: Option<String>,
     documentation_url: Option<String>,
 }

src/web/routes.rs

@@ -87,6 +87,10 @@ pub(super) fn build_routes() -> Routes {
         "/crate/:name/:version/source/*",
         super::source::source_browser_handler,
     );
+    routes.internal_page(
+        "/crate/:name/:version/target-redirect/*",
+        super::rustdoc::target_redirect_handler,
+    );
 
     routes.rustdoc_page("/:crate", super::rustdoc::rustdoc_redirector_handler);
     routes.rustdoc_page("/:crate/", super::rustdoc::rustdoc_redirector_handler);