Update free-programming-books-tr.md (#9397)

Added a GitHub repository for the Golang language.

books/free-programming-books-tr.md

@@ -69,6 +69,7 @@
 ### Go
 
 * [Go El Kitabı](https://www.github.com/umutphp/the-little-go-book) - Karl Seguin, `trl.:` Umut Işık tarafından çevirildi ([HTML](https://github.com/umutphp/the-little-go-book/blob/master/tr/go.md), [PDF](https://github.com/umutphp/the-little-go-book/releases/download/v07/the-little-go-book-tr.pdf), [EPUB](https://github.com/umutphp/the-little-go-book/releases/download/v07/the-little-go-book-tr.epub))
+* [Türkçe Go Eğitimi](https://github.com/Furkan-Gulsen/turkce-go-egitimi) - Muhammed Furkan Gülşen
 
 
 ### Güvenlik ve Gizlilik