src/find_interaction_cluster/*.py: add a cell line parameter

src/find_interaction_cluster/__main__.py

...find_interaction_cluster/colocalisation_n_ppi_analysis.py

src/find_interaction_cluster/community_finder.py

src/find_interaction_cluster/config.py

src/find_interaction_cluster/create_ppi_files.py

src/find_interaction_cluster/nt_and_community.py

src/find_interaction_cluster/sf_and_communities.py