feat(plugin): Nested Set Tree plugin submitted

Author: psprokofiev

content/authors/avatars/studio-15.jpg

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+---
+name: Studio 15
+slug: studio-15
+github_url: https://github.com/15web
+twitter_url: https://x.com/15web
+---
+
+[Studio 15](https://en.15web.ru/) develops responsive websites, services, web applications based on modern technologies. We develop websites based on modern technologies, with strong requirements and sophisticated business logic. Also we make websites responsible for comfortably viewed on tablet, smartphone or desktop. We like and can solve difficult and nontrivial tasks, paying attention to details, enjoy working with clients from around the world.

content/authors/studio-15.md

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+---
+name: Nested Set Tree
+slug: studio-15-nested-set-tree
+author_slug: studio-15
+categories: [form-builder, panel-builder]
+description: This plugin offers a tree builder, allows you to build menu, category tree and etc. and to manage it.
+discord_url: 
+docs_url: https://raw.githubusercontent.com/15web/filament-tree/refs/heads/main/README.md
+github_repository: 15web/filament-tree
+has_dark_theme: true
+has_translations: true
+versions: [3]
+publish_date: 2025-04-25
+---