Add sample CRAM files

[robertaboukhalil]

Add sample CRAM files:

• [ ] Indexed with CRAI
• [ ] Different CRAM versions
  • [ ] CRAM 3.0 (2014)
  • [ ] CRAM 3.1 (2023)
• [ ] With different reference genome options:
  • [ ] Link to external reference (samtools view -O CRAM,no_ref)
  • [ ] Embedded into the CRAM (samtools view -O CRAM,embed_ref)
  • [ ] No reference