Questions
After completing this chapter, you should be able to answer the following questions:
- What is Doxygen?
 - What is the easiest way to integrate Doxygen into a CMake project?
 - Can Doxygen draw diagrams and graphs? If so, how can we enable this behavior?
 - Which Doxygen tags should be used to embed a PlantUML diagram into Doxygen documentation?
 - Which configuration steps should be taken to enable Doxygen to use PlantUML?
 - Given that man/page output is present under the 
build/folder, how can we make this documentation installable?