add info data structure & yaml parsing

make-pages/make-pages.cabal

@@ -9,12 +9,20 @@ maintainer: Rhiannon Morris <rhi@rhiannon.website>
 executable make-pages
   hs-source-dirs: .
   main-is: Main.hs
+  other-modules: Info
   default-language: Haskell2010
   default-extensions:
-    OverloadedStrings
+    BlockArguments,
+    LambdaCase,
+    OverloadedStrings,
+    RecordWildCards
   build-depends:
     base ^>= 4.12.0.0,
-    yaml ^>= 0.11.4.0,
+    containers ^>= 0.6.0.1,
+    time ^>= 1.8.0.2,
+    text ^>= 1.2.3.1,
+    vector ^>= 0.12.1.2,
+    HsYAML ^>= 0.2.1.0,
     blaze-html ^>= 0.9.1.2
   ghc-options:
     -Wall -threaded -rtsopts -with-rtsopts=-N