Add: Assembly Language Course (#11404)

* Add: Assembly Language Course

* Add: C++ STL & Electron.js Course

* Fix: Linter Error

* Update free-courses-bn.md

* Update free-courses-bn.md

* Update free-courses-bn.md

* Update free-courses-bn.md

* Fix: URL Updates

courses/free-courses-bn.md

@@ -1,6 +1,7 @@
 ### Index
 
 * [Android](#android)
+* [Assembly Language](#assembly-language)
 * [C](#c)
 * [C#](#csharp)
 * [C++](#cpp)
@@ -17,6 +18,7 @@
 * [Java](#java)
 * [JavaScript](#javascript)
     * [Angular](#angular)
+    * [Electron](#electron)
     * [jQuery](#jquery)
     * [Next.js](#nextjs)
     * [Node.js](#nodejs)
@@ -50,6 +52,11 @@
 * [Java, OOP & Android tutorials for beginners in Bengali](https://www.youtube.com/playlist?list=PLV3rqOvr9vgkmELwlSouvJtROQ6MWRbIH) - Zulkarnine Mahmud
 
 
+### Assembly Language
+
+* [Assembly Language Bangla Tutorial](https://www.youtube.com/playlist?list=PLEYW3pZS6IQ8UMvusEVnIJ2dDieXKyKRM) - Maruf Sarker
+
+
 ### C
 
 * [C - All you need to know](https://www.youtube.com/playlist?list=PL_XxuZqN0xVASsjyqiNzgjUWHbDkN2Scy) - Stack Learner
@@ -74,6 +81,7 @@
 * [C++ Bangla Tutorial for Beginners - 2022](https://www.youtube.com/playlist?list=PLeqnvPK4PpyWsjZvgLTRcc-dkPQXc8SHc) - Shikkhangon BD
 * [C++ STL (Bangla)](https://youtube.com/playlist?list=PLgLCjVh3O6Sgux985GYG22xkFt9z9Sq0_) - LoveExtendsCode
 * [Object Oriented C++ \| Bangla Tutorial](https://www.youtube.com/playlist?list=PLy7uM3PHzMF1hnqhFGE4_A8qTUfFmZ_3y) - Online School
+* [Standard Template Library of C++ (STL)](https://www.youtube.com/playlist?list=PLoa_roVVsxA0D1Kv_T7rbGHtSdYIUo4f5) - CPS Academy
 
 
 ### Competitive Programming
@@ -200,6 +208,11 @@
 * [Angularjs bangla tutorial basic](https://www.youtube.com/playlist?list=PLbC4KRSNcMnr2ZFQne_jotsiX9hGwLJHG) - Learn Hunter
 
 
+#### Electron
+
+* [Electron JS Bangla Tutorials](https://www.youtube.com/playlist?list=PL_XxuZqN0xVDgr7KreI5PaVZuG8Sx3L2c&si=FOsXyD-fC87a45YJ) - Stack Learner
+
+
 #### jQuery
 
 * [jQuery Bangla Series for Beginners](https://www.youtube.com/playlist?list=PLgH5QX0i9K3pSJG9Hwjnykd0hLGEsW4DB) - Anisul Islam
@@ -358,4 +371,3 @@
 * [WordPress Plugin Development](https://www.youtube.com/playlist?list=PLSNRR4BKcowCkeAxfdtTsLqwR0LJYwDaz) - Procoder BD
 * [WordPress Theme Development Tutorial Bangla ](https://www.youtube.com/playlist?list=PLSNRR4BKcowD6A-U_ll9ayJWqOEz3XD8l) - Procoder BD
 * [WP Theme Development with ChatGPT](https://www.youtube.com/playlist?list=PLn_JOV5gUeKwLEMqi93W6eswy4hEQ_ouL) - Md Maruf Adnan Sami
-