🐛 Fix ESLint

Author: Sam Richard

.eslintrc.yml

@@ -1,5 +1,8 @@
 extends:
-  - ibm/vanilla/configurations/vanilla-node
+  - punchcard
+
+env:
+  es6: true
 
 rules:
   no-empty-label: 0 # hides deprecated rule
@@ -8,5 +11,3 @@ rules:
   space-return-throw-case: 0 # hides deprecated rule
   keyword-spacing: 2 # replaces `space-after-keywords`, `space-before-keywords`, and `space-return-throw-case`
   strict: 1 # fixes a circular bug
-
-