docs: add tip for using GenAIScript runtime in Node.js projects

Author: pelikhan

docs/src/content/docs/getting-started/index.mdx

@@ -276,3 +276,10 @@ While GenAIScripts can be written with any IDE and run from the command line,
 users of the [extension in Visual Studio Code](/genaiscript/getting-started/installation)
 greatly benefit from the additional support for writing, debugging, and executing
 GenAIScript provided. We strongly recommend starting by installing the extension.
+
+:::tip
+
+If you are looking for a runtime package of GenAIScript that can be used in an existing Node.JS project,
+read [runtime documentation](/genaiscript/reference/runtime).
+
+:::