Add new algorithm course link to Turkish resources (EbookFoundation#13077)

* Add new algorithm course link to Turkish resources

* Fix duplicate entry for 'Algoritmalar ve Veri Yapıları'

Author: m6min

courses/free-courses-tr.md

@@ -17,6 +17,7 @@
 ### Algoritmalar
 
 * [Algoritma Analizi](https://www.youtube.com/playlist?list=PLh9ECzBB8tJPTWIUbZjHZMMGuZcpHUv5h) - BilgisayarKavramlari
+* [Algoritmalar ve Veri Yapıları](https://www.youtube.com/playlist?list=PLMQXT_yvb6DUV3usqrNYMfAXoYGXtpmSq) - Berat Ersarı
 * [Algoritmalara giriş](https://acikders.tuba.gov.tr/course/view.php?id=133) - Charles Leiserson / Erik Demaine (Çev. Ali Yazıcı - Haluk Ar)
 * [Algoritmaları Anlamak](https://www.youtube.com/playlist?list=PLR_3k5Bkz0SBA9PoV6DrxpghD7pqPScGJ) - Fatih Özkaynak
 * [On Derste Algoritma ve Programlama](https://www.youtube.com/playlist?list=PLKnjBHu2xXNNiJdlhiEl_RMkK0PbJ1_DB) - Murat Yücedağ