docs: added entity reference (#2047)

* added entity reference

* chore: added github action

* added link to reference

www/docs/sidebars.js

@@ -751,5 +751,11 @@ module.exports = {
         },
       ]
     }
-  ]
+  ],
+  entitiesSidebar: [
+    {
+      type: 'autogenerated',
+      dirName: 'references/entities/classes', // generate sidebar from the docs folder (or versioned_docs/<version>)
+    },
+  ],
 }