Upgrade to Svelte 5, SvelteKit 2, and Tailwind 4 with modern patterns

Co-authored-by: lukeslakemail <lukeslakemail@gmail.com>

sveltekit-integration/svelte.config.js

@@ -3,19 +3,27 @@ import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
-	// Consult https://kit.svelte.dev/docs/integrations#preprocessors
-	// for more information about preprocessors
+	// Consult https://svelte.dev/docs/kit/integrations for more information about preprocessors
 	preprocess: vitePreprocess(),
 
 	kit: {
-		// adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
-		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
-		// See https://kit.svelte.dev/docs/adapters for more information about adapters.
+		// adapter-auto supports most environments, see https://svelte.dev/docs/kit/adapters for a list.
 		adapter: adapter(),
 		alias: {
 			$db: './src/lib/server/db',
-			$auth: './src/lib/server/auth'
+			$auth: './src/lib/server/auth',
+			$stores: './src/lib/stores',
+			$components: './src/lib/components'
+		},
+		// SvelteKit 2 enhanced configuration
+		version: {
+			pollInterval: 300
 		}
+	},
+	
+	// Svelte 5 compiler options
+	compilerOptions: {
+		runes: true
 	}
 };