Merge branch 'feature/doxy-priv-doc' into 'main'

Feat: add private members in dev mode to doxygen doc

See merge request !2

src/BuildDoc.cmake

@@ -172,6 +172,7 @@ macro (build_doc)
 
 		if (DOXY_ADD_DEV_SECTION)
 			set (DOXYGEN_ENABLED_SECTIONS DEV)
+			set (DOXYGEN_EXTRACT_PRIVATE YES)
 		endif ()
 
 		doxygen_add_docs (${DOXY_NAME} ${DOXY_SOURCES} ALL)