docs: add zutron to third-party-libs (#2781)

* docs: add zutron to third-party-libs

* Update docs/integrations/third-party-libraries.md

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Co-authored-by: Daishi Kato <dai-shi@users.noreply.github.com>

docs/integrations/third-party-libraries.md

@@ -65,3 +65,4 @@ This can be done using third-party libraries created by the community.
 - [zusteller](https://github.com/timkindberg/zusteller) — Your global state savior. "Just hooks" + Zustand.
 - [zustood](https://github.com/udecode/zustood) — 🐻‍❄️ A modular store factory using Zustand.
 - [zusty](https://github.com/oslabs-beta/Zusty) — Zustand tool to assist debugging with time travel, action logs, state snapshots, store view, render time metrics and state component tree.
+- [zutron](https://github.com/goosewobbler/zutron) — Use Zustand in Electron apps, seamlessly.