docs: add cloud plans & pricing page (#13420)

* docs: add cloud plans & pricing page

* fix buttons

* simplify condition

* remove test frontmatter

* design fixes and changes

* styling fixes

* change node version for tests

* fix build error

* fix tests

* fix github pipeline

www/packages/tailwind/base.tailwind.config.js

@@ -1,5 +1,5 @@
-import plugin from "tailwindcss/plugin"
-import presets from "./theme-presets"
+const plugin = require("tailwindcss/plugin")
+const presets = require("./theme-presets")
 
 /** @type {import('tailwindcss').Config} */
 module.exports = {