Added "VSCode Power Tips" Playlist (#8311)

Added "VSCode Power Tips" Playlist in the "IDE and editors" section 
- Update free-courses-bn.md file

courses/free-courses-bn.md

@@ -119,6 +119,7 @@
 ### IDE and editors
 
 * [VSCode Complete Tutorial Series \| VSCode টিউটোরিয়াল সিরিজ](https://www.youtube.com/playlist?list=PL_XxuZqN0xVB_lroSm_xvTqvVBCpR4PQE) - Stack Learner
+* [VSCode Power Tips](https://www.youtube.com/playlist?list=PLoR56CteKZnBmefc8NTiG8GOHlU1vN3-F) - Learn with Hasin Hayder
 
 
 ### Java