😒 chore(package.json): Mark side-effects free.

Author: make-github-pseudonymous-again

package.json

@@ -144,5 +144,6 @@
  "lint": "true",
  "dev": "npm run lint -- --fix && npm run cover -- -- -st --fail-fast",
  "travis": "npm run lint && npm run cover"
- }
+ },
+ "sideEffects": false
 }