refactor(branch): clean up formatting and structure in Branch model

app/Models/Branch.php

@@ -40,4 +40,10 @@
     {
         return $this->hasMany(Branch::class, 'parent_id');
     }
+
+
+    public function users()
+    {
+        return $this->belongsToMany(Modules\Usermanagement\Models\User::class, 'user_branches', 'branch_id', 'user_id');
+    }
 }