chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

www/apps/resources/utils/get-slugs.mjs

@@ -0,0 +1,60 @@
+import { statSync, readdirSync } from "fs"
+import path from "path"
+import { getFileSlugUtil } from "remark-rehype-plugins"
+
+const monoRepoPath = path.resolve("..", "..", "..")
+
+/**
+ *
+ * @param {string} dir - The directory to search in
+ * @returns {Promise<{ origSlug: string; newSlug: string }[]>}
+ */
+export default async function getSlugs(options = {}) {
+  let { dir, basePath = path.resolve("app"), baseSlug = basePath } = options
+  if (!dir) {
+    dir = basePath
+  }
+  /**
+   * @type {{ origSlug: string; newSlug: string }[]}
+   */
+  const slugs = []
+
+  // ignore general reference files
+  if (dir.endsWith("/references/medusa") || dir.endsWith("/references/types")) {
+    return slugs
+  }
+  const files = readdirSync(dir)
+
+  for (const file of files) {
+    const filePath = path.join(dir, file)
+    const fileBasename = path.basename(file)
+    if (fileBasename !== "page.mdx") {
+      const fileStat = statSync(filePath)
+      if (fileStat.isDirectory()) {
+        slugs.push(
+          ...(await getSlugs({
+            dir: filePath,
+            basePath,
+            baseSlug,
+          }))
+        )
+      }
+      continue
+    }
+
+    const newSlug = await getFileSlugUtil(filePath)
+
+    if (newSlug) {
+      slugs.push({
+        origSlug: filePath
+          .replace(baseSlug, "")
+          .replace(fileBasename, "")
+          .replace(/\/$/, ""),
+        newSlug,
+        filePath: filePath.replace(monoRepoPath, ""),
+      })
+    }
+  }
+
+  return slugs
+}