docs: fix appending index.html.md to api reference links (#11327)

* docs: fix appending index.html.md to api reference links

* make hash in api reference lower case

www/packages/remark-rehype-plugins/src/change-links-md.ts

@@ -0,0 +1,18 @@
+import { UnistNode, UnistTree } from "types"
+import { Transformer } from "unified"
+
+export const changeLinksToHtmlMdPlugin = (): Transformer => {
+  return async (tree) => {
+    const { visit } = await import("unist-util-visit")
+
+    visit(tree as UnistTree, ["link"], (node: UnistNode) => {
+      if (
+        node.type === "link" &&
+        node.url?.startsWith("https://docs.medusajs.com") &&
+        !node.url.endsWith("index.html.md")
+      ) {
+        node.url += `/index.html.md`
+      }
+    })
+  }
+}

www/packages/remark-rehype-plugins/src/index.ts

@@ -1,5 +1,6 @@
 export * from "./add-url-to-relative-link.js"
 export * from "./broken-link-checker.js"
+export * from "./change-links-md.js"
 export * from "./cloudinary-img.js"
 export * from "./cross-project-links.js"
 export * from "./local-links.js"