chore(changeset): add changeset for node-editor release (#426)

* refactor(node-editor): move to packages/devtools for standalone use

- Move @esengine/node-editor from packages/editor/plugins to packages/devtools
- Clean up dependencies: remove unused zustand, move react to peerDependencies
- Update pnpm-workspace.yaml to include packages/devtools/*
- Package is now standalone and can be used in Cocos/Laya plugins

* fix(changeset): remove node-editor from ignore list for publishing

* fix(changeset): remove invalid changeset file

* chore(changeset): add changeset for node-editor release

.changeset/node-editor-standalone.md

@@ -0,0 +1,9 @@
+---
+"@esengine/node-editor": minor
+---
+
+feat: 独立发布节点编辑器 | Standalone node editor release
+
+- 移动到 packages/devtools 目录 | Move to packages/devtools directory
+- 清理依赖，使包可独立使用 | Clean dependencies for standalone use
+- 可用于 Cocos Creator / LayaAir 插件开发 | Available for Cocos/Laya plugin development