init: Added a check to ignore row with less than 2 or more than 5 samples in config.txt file

Signed-off-by: CharlesJB <Charles.Joly-Beauparlant@crchul.ulaval.ca>
Venn-Tool: Corrected tool error in Usage

Signed-off-by: CharlesJB <Charles.Joly-Beauparlant@crchul.ulaval.ca>
Venn diagrams list are now presented as an unordered list

Signed-off-by: CharlesJB <Charles.Joly-Beauparlant@crchul.ulaval.ca>
Update the documentation

Signed-off-by: CharlesJB <Charles.Joly-Beauparlant@crchul.ulaval.ca>