Add additional checklist item to new challenge md

Alex Gurr · Alex Gurr · commit 1817a2665f3d · 2021-03-24T19:46:55.000+11:00
diff --git a/new_challenge_template.md b/new_challenge_template.md
@@ -33,3 +33,4 @@
 - [ ] I have built the solution to a good standard
 - [ ] I have added a README file with clear requirements and prerequisites
 - [ ] I have checked out the solution and made sure it runs
+- [ ] My challenge uses the latest version of ReactJS
