Here's a quick 'n easy way you can make a ❤️ Svelte PWA in SvelteKit. It's 🥧 oven ready and generates icons and manifest for you. You just need to customise the config file. I hope you find it useful.
https://rodneylab.com/sveltekit-pwa/
https://rodneylab.com/sveltekit-pwa/