Use new repo for Aurorachat

[Orstando]

• Have you checked that there aren't other open pull requests for the same manifest update/change?
• Have you verified that the manifest contains valid JSON?
• Are you certain that this manifest is not designed to obtain copyrighted material or software, which you do not have permission to distribute?
• Submitting malicious software is strictly forbidden, and potentially constitutes criminal activity, punishable by law. To the best of your knowledge, is this submission clear of any malicious intent?