Migrations configuration

backend/src/Configuration.hs

@@ -9,7 +9,8 @@ import Dhall (Interpret)
 data Pg = Pg { username :: Text
              , password :: Text
              , host :: Text
-             , database :: Text }
+             , database :: Text
+             , migrations :: Text }
         deriving (Show, Generic)
 
 data Store = Filestore { path :: Text }