Add doxygen for documentation
Add doxygen for documentation


Former-commit-id: 96c422771f80edf238d0d1ae0a1831a84e84bb72
GeoscienceAustralia/geodesy-domain-model,GeoscienceAustralia/Geodesy-Web-Services,GeoscienceAustralia/geodesy-domain-model,GeoscienceAustralia/Geodesy-Web-Services,GeoscienceAustralia/Geodesy-Web-Services,GeoscienceAustralia/Geodesy-Web-Services