Missing comma preventing the app from starting (#145)

Author: sidthesloth92

app/public/characters.json

@@ -61,7 +61,7 @@
         "image": "hedy.jpeg",
         "avatar": "hedy-avatar.jpeg",
         "voice": 2
-    }
+    },
     {
         "title": "Amelia Earhart",
         "name": "ada",