chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

www/apps/resources/next.config.mjs

@@ -0,0 +1,57 @@
+import mdx from "@next/mdx"
+import {
+  brokenLinkCheckerPlugin,
+  localLinksRehypePlugin,
+  typeListLinkFixerPlugin,
+} from "remark-rehype-plugins"
+import { slugChanges } from "./generated/slug-changes.mjs"
+import mdxPluginOptions from "./mdx-options.mjs"
+
+const withMDX = mdx({
+  extension: /\.mdx?$/,
+  options: {
+    rehypePlugins: [
+      ...mdxPluginOptions.options.rehypePlugins,
+      [brokenLinkCheckerPlugin],
+      [localLinksRehypePlugin],
+      [typeListLinkFixerPlugin],
+    ],
+    remarkPlugins: mdxPluginOptions.options.remarkPlugins,
+    jsx: true,
+  },
+})
+
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  // Configure `pageExtensions` to include MDX files
+  pageExtensions: ["js", "jsx", "mdx", "ts", "tsx"],
+
+  transpilePackages: ["docs-ui"],
+
+  // TODO uncomment if we decide on baes path
+  // basePath: process.env.NEXT_PUBLIC_BASE_PATH || "/v2/resources",
+  basePath: process.env.NEXT_PUBLIC_BASE_PATH || "/resources",
+  async rewrites() {
+    return {
+      fallback: [
+        {
+          source: "/:path*",
+          destination: `${
+            process.env.NEXT_PUBLIC_DOCS_URL || "https://localhost:3001"
+          }/:path*`,
+          basePath: false,
+        },
+      ],
+    }
+  },
+  async redirects() {
+    // redirect original file paths to the rewrite
+    return slugChanges.map((item) => ({
+      source: item.origSlug,
+      destination: item.newSlug,
+      permanent: true,
+    }))
+  },
+}
+
+export default withMDX(nextConfig)