Add Turkish translation

[gecicidegisken]

• [x] Have you followed the contributing guidelines?
• [x] Have you explained what your changes do, and why they add value?

Please note: we will close your PR without comment if you do not check the boxes above and provide ALL requested information.

---

Added Turkish translation for Open Source Friday website

[zkoppert]

Closed and reopened to try to kick off the actions that should have but never got ran.