chore(docs): Update svelte urls and internal example link (#2196)

Author: x-N0

packages/openapi-fetch/examples/sveltekit/README.md

@@ -1,9 +1,9 @@
 # openapi-fetch + Svelte/ SvelteKit
 
-Example of using openapi-fetch in [Svelte](https://svelte.dev/) / [SvelteKit](https://kit.svelte.dev).
+Example of using openapi-fetch in [Svelte](https://svelte.dev/docs/svelte/overview) / [SvelteKit](https://svelte.dev/docs/kit/introduction).
 
 - [Svelte or clientside SvelteKit example](./src/routes/+page.svelte)
-- [SveleKit Page Data example](./src/routes/server/+page.svelte)
+- [SveleKit Page Data example](./src/routes/page-data/+page.svelte)
 
 ## Setup