add link to fio

Author: dkuettel

bench.py

@@ -144,6 +144,7 @@ def describe_location(path) -> str:
 def run_fio(testfile, resultsfile, description):
 
     try:
+        # see https://fio.readthedocs.io/en/latest/
         command = [
             "fio",
             "--filename",