Added in the typescript lang to the script tag SvelteKit

apps/docs/pages/guides/auth/auth-helpers/sveltekit.mdx

@@ -135,7 +135,7 @@ We need to create an event listener in the root `+layout.svelte` file in order c
 
 ```svelte
 <!-- src/routes/+layout.svelte -->
-<script>
+<script lang="ts">
   import { invalidate } from '$app/navigation';
   import { onMount } from 'svelte';
   import type { PageData } from './$types';
@@ -210,7 +210,7 @@ You can now determine if a user is authenticated on the client-side by checking
 For [row level security](https://supabase.com/docs/guides/auth/row-level-security) to work properly when fetching data client-side, you need to use `supabaseClient` from `PageData` and only run your query once the session is defined client-side:
 
 ```html
-<script>
+<script lang="ts">
   import type { PageData } from './$types';
 
   export let data: PageData;
@@ -500,7 +500,7 @@ In order to use the Supabase library in your client code you will need to setup
 
 ```html title=src/routes/+layout.svelte
 <!-- src/routes/+layout.svelte -->
-<script>
+<script lang="ts">
   import { supabaseClient } from '$lib/db'
   import { invalidate } from '$app/navigation'
   import { onMount } from 'svelte'
@@ -555,7 +555,7 @@ export const load: LayoutLoad = async ({ fetch, data, depends }) => {
 
 ```svelte title=src/routes/+layout.svelte
 <!-- src/routes/+layout.svelte -->
-<script>
+<script lang="ts">
   import { invalidate } from '$app/navigation';
   import { onMount } from 'svelte';
   import type { PageData } from './$types';
@@ -655,7 +655,7 @@ declare global {
 
 ```html title=src/routes/profile/+page.svelte
 <!-- src/routes/profile/+page.svelte -->
-<script>
+<script lang="ts">
   /** @type {import('./$types').PageData} */
   export let data
   $: ({ user, tableData } = data)

apps/docs/pages/guides/getting-started/tutorials/with-sveltekit.mdx

@@ -560,7 +560,7 @@ And then we can add the widget to the Account page:
 
 ```svelte title=src/routes/account/+page.svelte
 <!-- src/routes/account/+page.svelte -->
-<script>
+<script lang="ts">
   // Import the new component
   import Avatar from './Avatar.svelte'
 </script>