docs: Update built-in-css-support.md with Linaria example (vercel#23333)

add link to Linaria example

docs/basic-features/built-in-css-support.md

@@ -201,6 +201,7 @@ Error: Cannot find module 'less'
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-styled-jsx">Styled JSX</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-styled-components">Styled Components</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-emotion">Emotion</a></li>
+    <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-linaria">Linaria</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-tailwindcss-emotion">Tailwind CSS + Emotion</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-styletron">Styletron</a></li>
     <li><a href="https://github.com/vercel/next.js/tree/canary/examples/with-glamor">Glamor</a></li>