neo_doxygen: Add dummy projects.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Add generated test data.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Add some unit tests.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Add some integration tests.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>
neo_doxygen: Register tests.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>