cluster.py: added todo

mossutils/cluster.py

@@ -16,6 +16,8 @@ from .utils import logging as logutils
 ##       in the CX export. This information would already be enough to generate
 ##       e-mails afterwards.
 ##       aggr.py would then be optional, if a more detailed cluster report is desired.
+##
+## TODO: Generate DOT, SVG and CSV files in a subdirectory, e.g. "_clusters"
 
 DEFAULT_RESULTS_CSV_FILE="moss-report.csv"
 DEFAULT_TOTAL_GRAPH_DOT_FILE="moss-report.dot"