➕ added tailwindcss dependency

Co-authored-by: Sindre Kjelsrud <kjelsrudsindre@gmail.com>

frontend/src/app.css

@@ -0,0 +1,3 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;

frontend/src/routes/+layout.svelte

@@ -0,0 +1,8 @@
+<script lang="ts">
+    import type { LayoutData } from './$types';
+    import "../app.css";
+    
+    export let data: LayoutData;
+</script>
+
+<slot />

frontend/src/routes/+page.svelte

@@ -1,2 +1,8 @@
-<h1>Welcome to SvelteKit</h1>
+<h1 class="text-xl">Velkommen til Helseveileder</h1>
 <p>Visit <a href="https://kit.svelte.dev">kit.svelte.dev</a> to read the documentation</p>
+
+<style lang="postcss">
+    :global(html) {
+      background-color: theme(colors.gray.300);
+    }
+</style>