chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

docs-util/packages/scripts/check-pr-files-count.ts

@@ -0,0 +1,33 @@
+import { Octokit } from "@octokit/core"
+import * as core from "@actions/core"
+
+const octokit = new Octokit({
+  auth: process.env.GH_TOKEN,
+})
+
+let prNumber = process.argv.length >= 3 ? process.argv[2] : null
+const threshold = process.argv.length >= 4 ? parseInt(process.argv[3]) : 300
+
+async function getPrFilesCount() {
+  if (!prNumber) {
+    throw new Error("Commit SHA is required.")
+  }
+
+  prNumber = prNumber.replace("/merge", "")
+
+  const { data: pr } = await octokit.request(
+    "GET /repos/{owner}/{repo}/pulls/{pull_number}",
+    {
+      owner: process.env.GIT_OWNER || "medusajs",
+      repo: process.env.GIT_REPO || "medusa",
+      pull_number: parseInt(prNumber),
+      headers: {
+        "X-GitHub-Api-Version": "2022-11-28",
+      },
+    }
+  )
+
+  core.setOutput("files_lt_threshold", pr.changed_files < threshold)
+}
+
+void getPrFilesCount()