Arabic Language Translation

[haqbany]

This pull request adds the full Arabic (ar) translation for the localization project.

✔️ All translations were created with attention to context and accuracy.
✔️ I have reviewed the CLA Document and I hereby sign the CLA.

[github-actions]

Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

---

I have read the CLA Document and I hereby sign the CLA

---

RH seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You can retrigger this bot by commenting recheck in this Pull Request. Posted by the CLA Assistant Lite bot.}

[haqbany]

I have read the CLA Document and I hereby sign the CLA.

[haqbany]

I have read the CLA Document and I hereby sign the CLA.