Docs: Clear guide for package manager installation (#558)

* Docs: Clear guide for package manager installation

* Configured to download specific node version

* use specific npm version

docs/modules/ROOT/pages/index.adoc

@@ -10,7 +10,13 @@ Live code the backend and frontend together with close to no configuration. When
 
 * Create or use an existing Quarkus application
 * Add the Quinoa extension
-* Install NodeJS (https://nodejs.org/) or make sure Quinoa is link:config-reference.adoc#quarkus-quinoa_quarkus.quinoa.package-manager-install[configured] to install it.
+* Install NodeJS (https://nodejs.org/) or make sure Quinoa is https://docs.quarkiverse.io/quarkus-quinoa/dev/config-reference.html#quarkus-quinoa_quarkus.quinoa.package-manager-install[configured] to install it, see the following example.
+
+----
+quarkus.quinoa.package-manager-install.node-version=18.18.0
+quarkus.quinoa.package-manager-install.npm-version=10.2.1
+----
+
 
 [#installation]
 == Installation