Add Git Course Resource (#11526)

Author: kevinalfito69

Diff for: courses/free-courses-id.md

@@ -150,6 +150,7 @@
 * [Source Code Management untuk Pemula](https://www.dicoding.com/academies/116) - Dicoding, membutuhkan registrasi
 * [Tutorial GIT Bahasa Indonesia Lengkap](https://www.youtube.com/playlist?list=PL1aMeb5UP_PHXTV_Xpt-19x_rVPXrymOM) - IDStack
 * [Tutorial Git Dasar](https://www.youtube.com/watch?v=fQbTeNX1mvM) - Programmer Zaman Now
+* [Upload Code di Github](https://app.sko.dev/kelas/upload-kode-di-github) - Sekolah Koding
 
 
 ### Go