Add Resources, Add info (#4813)

* Update free-courses-ko.md

* Update free-courses-ko.md

* Update Deep Learning

* delete (youtube) tag

free-courses-ko.md

@@ -86,8 +86,9 @@
 
 ### Deep Learning
 
-* [모두를 위한 딥러닝 시즌 1](https://www.youtube.com/playlist?list=PLlMkM4tgfjnLSOjrEJN31gZATbcj_MpUm)
-* [모두를 위한 딥러닝 시즌 2](https://www.youtube.com/playlist?list=PLQ28Nx3M4Jrguyuwg4xe9d9t2XE639e5C)
+* [C++로 배우는 딥러닝](https://www.youtube.com/playlist?v=nHt7BHyJGko&list=PLNfg4W25Tapy5hIBmFZgT5coii1HUX6BD) - 홍성모
+* [모두를 위한 딥러닝 시즌 1](https://www.youtube.com/playlist?list=PLlMkM4tgfjnLSOjrEJN31gZATbcj_MpUm) - Sung Kim
+* [모두를 위한 딥러닝 시즌 2](https://www.youtube.com/playlist?list=PLQ28Nx3M4Jrguyuwg4xe9d9t2XE639e5C) - Sung Kim
 
 
 ### Flutter