Add cellranger v 3.1.0

• Add process in main.nf
• astrocyte_pkg.yml
• workflow_modules
• workflow_parameters:version
• biohpc.config
• add new process
• .gitlab-ci.yml
• simple1 = count3.1.0
• simple2 = count3.1.0
• detailed1 = count3.1.0
• new detailed2 = copied old detailed1 count3.0.2
• new detailed3 = copied old detailed2 count3.0.1
• new detailed4 = copied old detailed3 count2.1.1
• README.md & index.md