README: add note regarding @latest

cknitt · cknitt · commit 555304db47c5 · 2024-05-08T10:56:57.000+02:00
diff --git a/README.md b/README.md
@@ -3,10 +3,10 @@
 Quickly create new [ReScript](https://rescript-lang.org/) apps from project templates:
 
 ```sh
-npm create rescript-app
+npm create rescript-app@latest
 ```
 
-or
+(note: `@latest` is important, otherwise npm may run an old version) or
 
 ```sh
 yarn create rescript-app
