Updated free-courses-bn.md (#8712)

* Updated free-courses-bn.md

Added Dart, jQuery, and PHP.

* Update free-courses-bn.md

* Update free-courses-bn.md

* Update free-courses-bn.md

courses/free-courses-bn.md

@@ -72,6 +72,7 @@ Shikkhangon BD
 ### Dart
 
 * [Dart All You Need To Know](https://www.youtube.com/playlist?list=PL_XxuZqN0xVC2-nXUrvpcQEz3FgCSIQHT) - Stack Learner
+* [Dart Bangla Tutorial](https://www.youtube.com/playlist?list=PLbC4KRSNcMnpQarCowZvUJOf4VhiJllX5) - Learn Hunter
 
 
 ### Docker
@@ -155,6 +156,7 @@ Shikkhangon BD
 #### jQuery
 
 * [jQuery Bangla Series for Beginners](https://www.youtube.com/playlist?list=PLgH5QX0i9K3pSJG9Hwjnykd0hLGEsW4DB) - Anisul Islam
+* [jQuery Bangla Tutorial](https://www.youtube.com/playlist?list=PLm64fbD5Onxtpvq--EAMfAHcn8h8_t3iw) - Moshiur
 
 
 #### Node.js
@@ -207,6 +209,7 @@ Shikkhangon BD
 ### PHP
 
 * [PHP All You Need To Know](https://www.youtube.com/playlist?list=PL_XxuZqN0xVCFLIrGA1GaxacvPTDQcsMV) - Stack Learner
+* [php bangla tutorial for beginners \| php8 bangla tutorial](https://www.youtube.com/playlist?list=PLbC4KRSNcMnqBfSoiU5TG7FF4FQmCpoSp) - Learn Hunter
 
 
 ### Programming paradigms