chore: ignore vscode settings and drop their readme note

Follow up the removal of .vscode/.

- Ignore .vscode/ except extensions.json, as the other sites do
- Remove the README paragraph describing .vscode/settings.json

.gitignore

@@ -23,7 +23,8 @@ dist-ssr
 *.local
 
 # Editor directories and files
-#.vscode
+.vscode/*
+!.vscode/extensions.json
 .idea
 .DS_Store
 *.suo

README.md

@@ -140,9 +140,6 @@ the React domain enabled, single quotes, trailing commas, two-space indentation,
 CSpell checks spelling across the project. Project-specific vocabulary and ignored paths are maintained in
 `cspell.json`.
 
-The `.vscode/settings.json` file registers Biome as the default formatter and enables `source.fixAll.biome` on
-save.
-
 ## Changelog
 
 See [CHANGELOG.md](./CHANGELOG.md) for the release history.