Add raws, loaded statically from a folder

Add raw types with support for both creatures and items, loaded
statically from a "raws" folder just like in the Rust version.

test/Spec.hs

@@ -4,15 +4,17 @@ import qualified Xanthous.Data.EntityMapSpec
 import qualified Xanthous.GameSpec
 import qualified Xanthous.MessageSpec
 import qualified Xanthous.OrphansSpec
+import qualified Xanthous.Entities.RawsSpec
 
 main :: IO ()
 main = defaultMain test
 
 test :: TestTree
 test = testGroup "Xanthous"
-  [ Xanthous.DataSpec.test
-  , Xanthous.Data.EntityMapSpec.test
+  [ Xanthous.Data.EntityMapSpec.test
+  , Xanthous.Entities.RawsSpec.test
   , Xanthous.GameSpec.test
   , Xanthous.MessageSpec.test
   , Xanthous.OrphansSpec.test
+  , Xanthous.DataSpec.test
   ]

test/Xanthous/DataSpec.hs

@@ -1,6 +1,6 @@
 -- |
 
-module Xanthous.DataSpec where
+module Xanthous.DataSpec (main, test) where
 
 import Test.Prelude hiding (Right, Left, Down)
 import Xanthous.Data

test/Xanthous/Entities/RawsSpec.hs

@@ -0,0 +1,16 @@
+-- |
+
+module Xanthous.Entities.RawsSpec (main, test) where
+
+import Test.Prelude
+import Xanthous.Entities.Raws
+
+main :: IO ()
+main = defaultMain test
+
+test :: TestTree
+test = testGroup "Xanthous.Entities.Raws"
+  [ testGroup "raws"
+    [ testCase "are all valid" $ raws `deepseq` pure ()
+    ]
+  ]