[doc] add some general information

3 jobs for add_hdf5 in 1 minute and 1 second (queued for 2 seconds)
Name Stage Failure
failed
test:python3.5-stretch-pyqt5 Test Library
+ /entry0000
? +


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Ran 25 tests in 30.603s

FAILED (failures=7)
ERROR: Job failed: exit code 1
failed
test:python3.7_stretch_pyqt5 Test Library
+ /entry0000
? +


----------------------------------------------------------------------
Ran 25 tests in 31.092s

FAILED (failures=7)
ERROR: Job failed: exit code 1