doctemplates-0.7: dependencies

Dependencies for doctemplates-0.7

library	aeson base (>=4.9 && <5) containers doclayout (>=0.2 && <0.3) filepath HsYAML mtl parsec safe scientific text text-conversions unordered-containers vector if !impl(ghc>=8.0) semigroups (>=0.18 && <0.19)