Set sideeffects to true

Author: Bryce Hill

package.json

@@ -18,8 +18,5 @@
     "react": "^16.3.2",
     "react-dom": "^16.3.2"
   },
-  "sideEffects": [
-    "*.css",
-    "*.scss"
-  ]
+  "sideEffects": true
 }