Update 2015-01-01-supporting-orgs-multi-org.md

source/releasenotes/2015-01-01-supporting-orgs-multi-org.md

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 title: "Supporting Organizations/Multi-Org"
 published_date: "2015-01-01"
-categories: []
+categories: [new-feature]
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 Need to collaborate with an agency? We've made it simple to add them to your organization. For more details, see blog post [Ready to Start Working with an Agency?](https://www.getpantheon.com/blog/ready-start-working-agency-thats-now-incredibly-simple)