Update README.md

Author: mosoriob

README.md

@@ -12,3 +12,7 @@ metadata and outputs for posterior analysis.
 ## Documentation
 
 Full documentation is available at [https://disk.readthedocs.io](https://disk.readthedocs.io)
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+## Related repositories
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+- [DISK User Interface](https://github.com/KnowledgeCaptureAndDiscovery/DISK-UI)