docs: changes to AI assistant icon + add button to code blocks (#11227)

* docs: changes to AI assistant icon + add button to code blocks

* fix code blocks in questions

* collapse code block in answer

* styling fixes

* fix new line at cursor position

www/packages/tailwind/tailwind.config.js

@@ -1,12 +1,11 @@
 import path from "path"
 import coreConfig from "./modified.tailwind.config"
 
-// Get two levels up from require.resolve("@medusajs/ui")
 const root = path.join(require.resolve("docs-ui"), "../..")
-const uiPath = path.join(root, "**/*.{js,ts,jsx,tsx,mdx}")
+const files = path.join(root, "**/*.{js,ts,jsx,tsx,mdx}")
 
 /** @type {import('tailwindcss').Config} */
 module.exports = {
   ...coreConfig,
-  content: [uiPath],
+  content: [files],
 }