update translation counting-sort

[CleoAguiar]

added implementation codes

• 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.
• All the files I changed are in the same world language (for example: only English changes, or only Chinese changes, etc.)
• My changes do not use shortened URLs or affiliate links.

Has merge conflict which needs to be resolved

[RandellDawson]

@CleoAguiar Thank you for creating this PR. However, since it was created, the underlying document has changed. Can you please review and resolve the current merge conflicts? It could be the changes to the underlying document are so significant that your changes are no longer relevant. If the latter is the case, it might be easier to just close this PR and create a new PR with any changes you still feel are important to make.

If you need any assistance or have questions about resolving the merge conflicts, please reply back or contact someone in the Contributors Room on Gitter.

Thank you.

[RandellDawson]

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