docs: add example for JS + JSDocs for SvelteKit (#724)

Author: oscard0m

packages/adapter-svelte/README.md

@@ -173,8 +173,8 @@ If you want to change the locale, you need to call `setLocale` with the locale a
 
 # SvelteKit
 
-See [here](https://github.com/ivanhofer/typesafe-i18n-demo-sveltekit)
-
+- See SvelteKit with TypeScript example [here](https://github.com/ivanhofer/typesafe-i18n-demo-sveltekit)
+- See SvelteKit with JavaScript + JSDocs example [here](https://github.com/ivanhofer/typesafe-i18n-demo-sveltekit-jsdoc)
 
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