Add file with NaN in statistics (#35)

* add file with NaN in statistics

* copy down relevant rules into readme

* add more explination
2 files changed
tree: fe22b586610f55435958c25518a968bcc82dcfa7
  1. bad_data/
  2. data/
  3. LICENSE.txt
  4. README.md
README.md

Testing Data and Utilities for Apache Parquet