Add some branching nodes

src/lib/nodes/index.ts

@@ -1,3 +1,5 @@
 export { default as ComfyReroute } from "./ComfyReroute"
 export { ComfyWidgetNode, ComfySliderNode, ComfyComboNode, ComfyTextNode } from "./ComfyWidgetNodes"
 export { ComfyCopyAction } from "./ComfyActionNodes"
+export { default as ComfyValueControl } from "./ComfyValueControl"
+export { default as ComfySelector } from "./ComfySelector"