Update README.md

Baum too long not updated.

Author: UksusoFF

README.md

@@ -161,7 +161,7 @@ Inspired by [ziadoz/awesome-php](https://github.com/ziadoz/awesome-php)
 ##### Databases, ORMs, Migrations & Seeding
 
 * [Backup Manager](https://github.com/backup-manager/laravel) - Backup and restore databases from S3, Dropbox, SFTP etc.
-* [Baum](https://github.com/etrepat/baum) - Nested Sets pattern implementation
+* [Laravel Nestedset](https://github.com/lazychaser/laravel-nestedset) - Nested Sets pattern implementation
 * [ClosureTable](https://github.com/franzose/ClosureTable) - Closure table pattern implementation
 * [Eloquence](https://github.com/kirkbushell/eloquence) - Extra features for Eloquent models
 * [iSeed](https://github.com/orangehill/iseed) - Generate a new seed file from an existing database table