Add NodeJS/Ruby install instructions

Signed-off-by: Florian Hotze <[email protected]>
openhab · Jan 5, 2025 · 55d7aa0 · 55d7aa0
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commit 55d7aa0
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diff --git a/README.md b/README.md
@@ -97,6 +97,13 @@ nvm use
 rvm use
 ```
 
+If `nvm` and/or `rvm` complain about the required versions not being installed, you can install them as following:
+
+```shell script
+nvm install 16.20.1
+rvm install ruby-3.3.2
+```
+
 Next, you can build & serve the documentation preview:
 
 ```shell script