Add course git in bahasa (#4532)

* add python di prograte course in bahasa

* add c# course in bahasa

* delete python no playlist course

* fixing index c# in course bahasa

* add course git bahasa

* delete same title in course bahasa

free-courses-id.md

@@ -82,6 +82,7 @@
 
 ### Git
 
+* [Belajar Git](https://www.youtube.com/playlist?list=PLuGFxya63u24bmP-ILRaiGeMwZh3PGxW4) - Galih Pratama
 * [Source Code Management untuk Pemula](https://www.dicoding.com/academies/116) - Dicoding, membutuhkan registrasi