fix: Starlight theme overrides (#1260)

Author: mhawryluk

apps/typegpu-docs/src/tailwind.css

@@ -1,4 +1,8 @@
-@import 'tailwindcss';
+@layer base, starlight, theme, components, utilities;
+
+@import '@astrojs/starlight-tailwind';
+@import 'tailwindcss/theme.css' layer(theme);
+@import 'tailwindcss/utilities.css' layer(utilities);
 
 @theme {
   /* --- Colors --- */