Update README on recent changes

Author: andy0130tw

README.md

@@ -7,7 +7,8 @@ This template is derived from [the official template](https://github.com/sveltej
 Some notable customizations are:
 
 0. `package-lock.json` is NOT committed on purpose
-1. Vitest 3.0 beta is included
+1. Vite 6.0 and Vitest 3.0 is included
+2. The included adapter is changed from `auto` to `@sveltejs/adapter-node`, assuming that you are not targeting [any specific deployment target](https://svelte.dev/docs/kit/adapter-auto).
 
 ## Instructions