Our Dokuwiki supports generating PlantUML diagrams from markdown syntax. More information on the UML syntax can be found at https://plantuml.com/

  <uml>
  @startuml
  hide empty description
  [*] --> State1
  State1 --> [*]
  State1 : this is a string
  State1 : this is another string
  
  State1 -> State2
  State2 --> [*]
  @enduml
  </uml>

is represented as

Useful presentation for folders and files:

  <uml>
  @startsalt
  {
  {T
   + RepoRoot
   ++ builds
   +++ application
   +++ distribution
   +++ installer
  }
  }
  @endsalt
  </uml>

is represented as