set up tailwindcss

installer-gui/vite.config.js

@@ -1,12 +1,13 @@
 import { defineConfig } from 'vite';
 import { sveltekit } from '@sveltejs/kit/vite';
+import tailwindcss from '@tailwindcss/vite';
 
 // @ts-expect-error process is a nodejs global
 const host = process.env.TAURI_DEV_HOST;
 
 // https://vitejs.dev/config/
 export default defineConfig(async () => ({
-    plugins: [sveltekit()],
+    plugins: [sveltekit(), tailwindcss()],
 
     // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
     //