Add syntax for server management (#1607)

[AlexicaWright]

• Add syntax for server management

• review comment and test fix

• review comments

• Fix SHOW SERVERS link from glossary

• Apply suggestions from code review

Co-authored-by: Therese Magnusson scout.therese@gmail.com

Co-authored-by: Mark Dixon 1756429+mnd999@users.noreply.github.com Co-authored-by: Therese Magnusson scout.therese@gmail.com