Update easy-includes.md

[parkhojeong]

Challenge [Includes]

Checklist

• [x] Make sure that you are opening the PR with a single solution (one solution per PR)
• [ ] The solution must have at least several references for the readers to dive in depth

current solution is not work.

i suggest new answer

[ghaiklor]

@parkhojeong you can leave the updated solution in the comments. But if you want to get it merged then, please, write a good explanation of how and why your solutions works the way it should.

[ghaiklor]

Closing as stale