Create chart.js

[johnfolder01]

• I have read freeCodeCamp's contribution guidelines.
• My pull request has a descriptive title (not a vague title like Update index.md)
• My pull request targets the master branch of freeCodeCamp.
• None of my changes are plagiarized from another source without proper attribution.
• My article does not contain shortened URLs or affiliate links.

If your pull request closes a GitHub issue, replace the XXXXX below with the issue number.

Closes #XXXXX

[camperbot]

Hi @johnfolder01,

Thanks for this pull request (PR).

Unfortunately, these changes have failed some of our recommended guidelines. Please correct the issue(s) listed below, so we can consider merging your content.

Issue	Description	File Path
1	chart.js is not a valid file name, please use index.md	guide/english/javascript/chart.js

P.S: I am just friendly bot. You should reach out to the Contributors Chat room for more help.

[RandellDawson]

I made the changes suggested by camperBot on your behalf.

LGTM

[RandellDawson]

Congrats @johnfolder01 on your first pull request (PR)! 🎉

Thank you for your contribution to the page! 👍
We're happy to accept these changes, and look forward to future contributions. 📝