Updates (#31)

* Create announcement_36.md

* Ilker joined!

* Update announcement_36.md

* Update announcement_36.md

* Update about_detailed.md

* Updates

* Update cohen.md

* Create announcement_37.md

* Comment out image path in cohen.md

Commented out the image path for Joshua Cohen.

* Update join.md

* Update gt-arch-6242.md

* Update description for Ilker Karadağ

---------

Co-authored-by: Patrick Kastner <[email protected]>

Author: kastnerp

_team/karadag.md

@@ -1,7 +1,7 @@
 ---
 layout: page
 title: Ilker Karadağ
-description: Visiting Scholar.<br> Associate Professor at Sakarya University
+description: Affiliate-LongTerm Res/Collab at Georgia Tech.<br> Associate Professor at Sakarya University
 img: https://avatars.githubusercontent.com/u/22752273?v=4
 importance: 1
 category: Visiting Scholar