chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

www/packages/remark-rehype-plugins/tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "extends": ["tsconfig/base.json"],
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist",
+    "tsBuildInfoFile": "./dist/.tsbuildinfo-client",
+    "noEmit": false,
+    "lib": ["es2022"],
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "declaration": true,
+    "declarationMap": true,
+    "esModuleInterop": true,
+    "strict": true,
+    "skipLibCheck": true,
+    "resolveJsonModule": true,
+  },
+  "include": ["src"]
+}