Correct linter error in bn language files (#10558)

* Correct free-programming-books-bn.md

* Corrected free-programming-books-bn.md

* Update free-programming-books-bn.md

* Update free-programming-books-bn.md

* Update free-programming-books-bn.md

* Update free-programming-books-bn.md

* Corrected lint for Bangla

books/free-programming-books-bn.md

@@ -1,9 +1,9 @@
 ### Index
 
 * [Algorithms](#algorithms)
-* [Data Science](#data-science)
 * [C](#c)
 * [C++](#cpp)
+* [Data Science](#data-science)
 * [Go](#go)
 * [Java](#java)
 * [JavaScript](#javascript)
@@ -50,16 +50,16 @@
 
 ### Machine Learning
 
+* [বাংলায় মেশিন লার্নিং](https://ml.howtocode.dev) - Manos Kumar Mondol (howtocode.dev)
 * [শূন্য থেকে পাইথন মেশিন লার্নিং: হাতেকলমে সাইকিট-লার্ন](https://raqueeb.gitbook.io/scikit-learn/) - Rakibul Hassan (HTML, [Jupyter Notebook](https://github.com/raqueeb/ml-python)) (gitbook)
 * [হাতেকলমে মেশিন লার্নিং: পরিচিতি, প্রজেক্ট টাইটানিক, আর এবং পাইথনসহ](https://rakibul-hassan.gitbook.io/mlbook-titanic/) - Rakibul Hassan (HTML, [scripts](https://github.com/raqueeb/mltraining)) (gitbook)
-* [বাংলায় মেশিন লার্নিং](https://ml.howtocode.dev) - Manos Kumar Mondol (howtocode.dev)
 
 
 ### Misc
 
-* [SL3 Framework - Code For Brain](https://web.archive.org/web/20201024204437/https://sl3.app) - Stack Learners *(:card_file_box: archived)*
-* [কেমনে করে সিস্টেম ডিজাইন?](https://imtiaz-hossain-emu.gitbook.io/system-design/) = Imtiaz Hossain Emu
+* [কেমনে করে সিস্টেম ডিজাইন?](https://imtiaz-hossain-emu.gitbook.io/system-design/) - Imtiaz Hossain Emu
 * [ডেভসংকেত: বাংলা চিটশিটের ভান্ডার](https://devsonket.com) - Devsonket Team
+* [SL3 Framework - Code For Brain](https://web.archive.org/web/20201024204437/https://sl3.app) - Stack Learners *(:card_file_box: archived)*
 
 
 ### Python