🌐 feat: arabic translation for the entire blog

[TheAwiteb]

Close #383

In this PR i'll be translating the entire blog to Arabic. The following is the translation progress:

• Home page & social card
• About page & social card
• Privacy page (Doesn't have a social card)
• Initial blog section, projects and archive

Projects

• doteki & social card
• git-sumi & social card
• nani & social card
• Streaming Royalties Calculator & social card
• tabi & social card

Blog content

• comments article & social card
• custom-font-subset article & social card
• customise-tabi article & social card
• faq-languages article & social card
• javascript article & social card
• markdown article & social card
• mastering-tabi-settings article & social card
• security article & social card
• shortcodes article & social card
• social_cards article & social card
• toc article & social card

Finishing touches

• blog section social card
• projects section social card
• archive section social card

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[welpo]

Let me know if I can help!

[TheAwiteb]

Let me know if I can help!

I'll, everything seems clean so far.

[welpo]

If you'd like, I think it would make sense to make you code owner of *.ar.* files in this PR. I believe this line should work:

*.ar.* @TheAwiteb