docs: update prerequisites for development (#5902)

docs/development/setting-up.md

@@ -4,10 +4,22 @@ Swagger UI includes a development server that provides hot module reloading and
 
 ### Prerequisites
 
-- Node.js `6.0.0` or greater
-- npm `3.0.0` or greater
 - git, any version
+- NPM 6.x
 
+Generally, we recommend following guidelines from [Node.js Releases](https://nodejs.org/en/about/releases/) to only use Active LTS or Maintenance LTS releases.
+
+Current Node.js Active LTS:
+- Node.js 12.x
+- NPM 6.x
+
+Current Node.js Maintenance LTS:
+- Node.js 10.x
+- NPM 6.x
+
+Unsupported Node.js LTS that should still work:
+- Node.js 8.13.0 or greater
+- NPM 6.x
 
 ### Steps