chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

www/apps/resources/tailwind.config.js

@@ -0,0 +1,37 @@
+import coreConfig from "tailwind"
+
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  ...coreConfig,
+  content: [
+    ...coreConfig.content,
+    "./pages/**/*.{js,ts,jsx,tsx,mdx}",
+    "./components/**/*.{js,ts,jsx,tsx,mdx}",
+    "./app/**/*.{js,ts,jsx,tsx,mdx}",
+    "./layouts/**/*.{js,ts,jsx,tsx,mdx}",
+    "./providers/**/*.{js,ts,jsx,tsx,mdx}",
+  ],
+  theme: {
+    ...coreConfig.theme,
+    extend: {
+      ...coreConfig.theme.extend,
+      container: {
+        center: true,
+        screens: {
+          "2xl": "1400px",
+        },
+      },
+    },
+    backgroundImage: {
+      ...coreConfig.theme.backgroundImage,
+      "search-hit": "url('/images/search-hit-light.svg')",
+      "search-hit-dark": "url('/images/search-hit.svg')",
+      "search-arrow": "url('/images/search-hit-arrow-light.svg')",
+      "search-arrow-dark": "url('/images/search-hit-arrow.svg')",
+      "search-no-result": "url('/images/search-no-result-light.svg')",
+      "search-no-result-dark": "url('/images/search-no-result.svg')",
+      "magnifying-glass": "url('/images/magnifying-glass.svg')",
+      "magnifying-glass-dark": "url('/images/magnifying-glass-dark.svg')",
+    },
+  },
+}