Add XML version of flowchart for loadMuon re #9047

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Modify MuonLoad wiki to use flowchart re #9047

Also move XML for flowchart to WorkflowAlgorithms.
Update flowchart MuonWorkflow re #9047

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Improve Flowchart and correct description of SecondPeriod re #9047

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Modify the display of default handling in flowchart re #9047

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Merge remote-tracking branch 'origin/feature/9047_example_flowchart_wiki'