AST-919 Build and include doxygen docs @ ReadTheDocs
The resulting documentation, including doxygen, is at https://dp3.readthedocs.io/en/ast-919-doxygen-on-readthedocs/ .
The resulting documentation, including doxygen, is at https://dp3.readthedocs.io/en/ast-919-doxygen-on-readthedocs/ .