[Doc] Fix formatting of Doxygen comments for Reaction classes
[Doc] Fix formatting of Doxygen comments for Reaction classes

imitrichev/cantera,Heathckliff/cantera,Heathckliff/cantera,imitrichev/cantera,imitrichev/cantera,imitrichev/cantera,Heathckliff/cantera,Heathckliff/cantera,Heathckliff/cantera,imitrichev/cantera,imitrichev/cantera,Heathckliff/cantera