Merge pull request #4 from fralonra/patch-1

dep: add cors as a dependency in package.json

Author: jdh2550

server/package.json

@@ -7,6 +7,7 @@
     "apollo-server-express": "^1.3.0",
     "bcryptjs": "^2.4.3",
     "body-parser": "^1.18.2",
+    "cors": "^2.8.4",
     "express": "^4.16.2",
     "graphql": "^0.11.7",
     "graphql-tools": "^2.13.0",