fix: broken link in python and also add another similar resource (#5045)

* fix: broken link in python and also add another similar resource

* add new resource to binary search trees in python

* Update src/data/roadmaps/python/content/101-data-structures-and-algorithms/103-binary-search-trees.md

---------

Co-authored-by: Arik Chakma <arikchangma@gmail.com>

src/data/roadmaps/python/content/101-data-structures-and-algorithms/103-binary-search-trees.md

@@ -5,5 +5,7 @@ A binary search tree, also called an ordered or sorted binary tree, is a rooted
 Visit the following resources to learn more:
 
 - [Tree Data Structure | Illustrated Data Structures](https://www.youtube.com/watch?v=S2W3SXGPVyU)
-- [How to Implement Binary Search Tree in Python](https://www.section.io/engineering-education/implementing-binary-search-tree-using-python/)
+- [Writing a Binary Search Tree in Python With Examples](https://blog.boot.dev/computer-science/binary-search-tree-in-python/)
+- [How to Implement Binary Search Tree in Python](https://web.archive.org/web/20230601181553/https://www.section.io/engineering-education/implementing-binary-search-tree-using-python/)
+- [Binary Search Tree in Python](https://www.pythonforbeginners.com/data-structures/binary-search-tree-in-python)
 - [Problem Set](https://www.geeksforgeeks.org/binary-search-tree-data-structure/?ref=gcse)