dev-haskell/rfc5051: new paclage for hakyll

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/aeson-pretty: new package for hakyll

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/pandoc-citeproc: new package for hakyll

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/hakyll: bump up to 4.4.1.0

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>