#4 Added player and object data types

lib/data/Player.hs

@@ -0,0 +1,15 @@
+-- Represents a player in the game. This player can move around, pick
+-- up items and interact with the world.
+
+module Player
+( Player(..)
+) where
+
+import Internals
+
+----------------------------- Constants ------------------------------
+
+data Player = Player {
+    hp :: Int,
+    inventory :: [Object]
+}