Relands "Add support for LiteGraph to convert to classes" (#667)

* Revert "Revert "Add support for LiteGraph to convert to classes (#334)" (#386)"

This reverts commit d607f6c7f7.

* Format

src/extensions/core/rerouteNode.ts

@@ -11,11 +11,12 @@ app.registerExtension({
       __outputType?: string
     }
 
-    class RerouteNode {
+    class RerouteNode extends LGraphNode {
       static category: string | undefined
       static defaultVisibility = false
 
-      constructor() {
+      constructor(title?: string) {
+        super(title)
         if (!this.properties) {
           this.properties = {}
         }