AthenaMonitoringKernel: Minor tweaks to documentation

Minor tweaks to the doxygen documentation and code examples. No functional code changes.

This merge request affects 2 packages:

• Control/AthenaExamples/AthExMonitored
• Control/AthenaMonitoringKernel

Adding @ssnyder ,@rbianchi as watchers

added Core DQ master review-pending-level-1 labels

CI Result SUCCESS (hash e963c52a)

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 10180]

There is nothing to review here. @abarton can you merge this? We need this for the hackathon on Monday.

merged

mentioned in commit db3a2dcc

added sweep:ignore label