ENH Auto track binary files in Repository (#828)
* Auto track binary files
* Add null character check
* Tests
* Apply suggestions from code review
Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>
* Only read 512 bytes
* Address Eliott's comments
* Split test
* Address review comments
* 10MB maximum
Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>
