fix: scan partials and components in crosswind config

Content paths only scanned pages/ — classes in partials (sidebar)
and components were missing from generated CSS.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: glennmichael123

packages/devtools/crosswind.config.ts

@@ -1,6 +1,8 @@
 export default {
   content: [
     './pages/**/*.stx',
+    './partials/**/*.stx',
+    './components/**/*.stx',
   ],
   output: './dist/crosswind.css',
   minify: false,