Updated elm.json to require file

elm.json

@@ -8,13 +8,13 @@
         "direct": {
             "elm/browser": "1.0.2",
             "elm/core": "1.0.5",
+            "elm/file": "1.0.5",
             "elm/html": "1.0.0",
             "elm/http": "2.0.0",
             "elm/json": "1.1.3"
         },
         "indirect": {
             "elm/bytes": "1.0.8",
-            "elm/file": "1.0.5",
             "elm/time": "1.0.0",
             "elm/url": "1.0.0",
             "elm/virtual-dom": "1.0.2"