Randomdataset

What's Changed
* Merge Dev Again by ericspod in https://github.com/KCL-BMEIS/RandomDataset/pull/17
* Fix for deploy by ericspod in https://github.com/KCL-BMEIS/RandomDataset/pull/19
* Build Fix by ericspod in https://github.com/KCL-BMEIS/RandomDataset/pull/20
* Manifest tweak by ericspod in https://github.com/KCL-BMEIS/RandomDataset/pull/21
* Update to use pyproject.toml by ericspod in https://github.com/KCL-BMEIS/RandomDataset/pull/22
* Docs fix (23) by ericspod in https://github.com/KCL-BMEIS/RandomDataset/pull/24
* Docs fix (23) by ericspod in https://github.com/KCL-BMEIS/RandomDataset/pull/25
* Docs fix again by ericspod in https://github.com/KCL-BMEIS/RandomDataset/pull/26


**Full Changelog**: https://github.com/KCL-BMEIS/RandomDataset/compare/0.2.0...0.2.1

A dataset field can now reference values from another field in another dataset, specifically used to reference IDs in a datasets of users/patients/etc.