add Types

	modified:   lib/App/vaporcalc/Recipe.pm
	new file:   lib/App/vaporcalc/Types.pm
make room for VERSION declarations

	modified:   lib/App/vaporcalc.pm
	modified:   lib/App/vaporcalc/Recipe.pm
	modified:   lib/App/vaporcalc/Result.pm
	modified:   lib/App/vaporcalc/Role/Calc.pm
	modified:   lib/App/vaporcalc/Types.pm