Update free-podcasts-screencasts-tr.md (#9492)

* Update free-podcasts-screencasts-tr.md

* Update free-podcasts-screencasts-tr.md

---------

Co-authored-by: Eric Hellman <eric@hellman.net>

casts/free-podcasts-screencasts-tr.md

@@ -2,6 +2,7 @@
 
 * [Dil Bağımsız](#dil-bağımsız)
 * [JavaScript](#javascript)
+* [Ruby](#ruby)
 
 
 ### Dil Bağımsız
@@ -15,3 +16,8 @@
 ### JavaScript
 
 * [null podcast](https://soundcloud.com/nullpodcast) (podcast)
+
+
+### Ruby
+
+* [Yakut](https://www.youtube.com/playlist?list=PLEWqXxI7lAZIHZ4s3fcuy1UmF_YiQkZpi) (screencast)