Update free-courses-bn.md (#10795)

* Update free-courses-bn.md

* Update free-courses-bn.md

* Update free-courses-bn.md

* Update free-courses-bn.md

* Update free-courses-bn.md

courses/free-courses-bn.md

@@ -136,6 +136,8 @@
 
 * [Bootstrap 4 Bangla Tutorial](https://www.youtube.com/playlist?list=PL_XxuZqN0xVBr2NqbL3q71nk5FX8zB0nK) - Stack Learner
 * [Bootstrap 5 and 4 Bangla Tutorials](https://www.youtube.com/playlist?list=PLgH5QX0i9K3oC_wmWEZa2xWxJauIRQ9kG) - Anisul Islam
+* [Bootstrap 5 Bangla Tutorial](https://www.youtube.com/playlist?list=PLCTSm-A1QfHqRdVcdKx6Q7vaxW3vvsAug) - Amar Course
+* [Bootstrap 5 Essential Training Bangla](https://www.youtube.com/playlist?list=PLSNRR4BKcowASvSK4qx9Nz9MNTJC9Up67) - Procoder BD
 * [Bootstrap Bangla Tutorial With Projects](https://www.youtube.com/playlist?list=PLm64fbD5OnxuWrqDWyObVkH_Y5R6Wg1wg) - Moshiur
 * [Bootstrap tutorial for (beginners to advanced)](https://www.youtube.com/playlist?list=PLerpoOYRrjUzKiOZDjPkTL0uaRLgJ_NJF) - Programming Shikhbo