Merge pull request #188 from CllsPy/issue171

Add tidy date whitepaper to Readme.md

Author: ry-v1

README.md

@@ -133,6 +133,7 @@ Top must-join communities for ML:
 - [Building a Universal Data Lakehouse](https://www.onehouse.ai/whitepaper/onehouse-universal-data-lakehouse-whitepaper)
 - [XTable in Action: Seamless Interoperability in Data Lakes](https://arxiv.org/abs/2401.09621)
 - [MapReduce: Simplified Data Processing on Large Clusters](https://research.google/pubs/mapreduce-simplified-data-processing-on-large-clusters/)
+- [Tidy Data](https://vita.had.co.nz/papers/tidy-data.pdf)
 
 ## Social Media Accounts