Orga fixes

[jaagut]

• Add license Add MIT License #9
• Fix bibtex Fix readme bibtex citation #7
• Add Citation file .cff Add CITATION.cff file #8 CITATION.cff: Fix author's given- and family-names #10
• Download script
• Download link
• Fix robot (and other detection) counts Fix/dependency conflict #14
• Fix segmentation field color value Field class has 255 and 254 values in the segmentations #12
• Readme: Add notes:
  • Limitation in Simulation: Annotations contain player number, even if only a small robot-part is visible
  • Limitation in Reality: Most robots are in rather small and in the upper half of the images because they are far away.
• Create git-tag
• Rebuild ZIP-Files
• Changelog