Merge pull request #15 from ember-learn/pin-node-version

pin node version to 10

Author: jaredgalanis

package.json

@@ -26,5 +26,8 @@
     "ora": "^3.0.0",
     "s3": "^4.4.0",
     "semver": "^5.6.0"
+  },
+  "engines": {
+    "node": "10.21.0"
   }
 }