added ultimate topics list for competitive programming (#7224)

* added ultimate topics list for competitive programming

* adding creators

* lint: alphabetize

Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>

more/problem-sets-competitive-programming.md

@@ -119,6 +119,7 @@
 * [Rosalind](http://rosalind.info/problems/locations/)
 * [Sphere Online Judge](http://www.spoj.com/problems/classical)
 * [TalentBuddy](http://www.talentbuddy.co/blog/)
+* [The Ultimate Topic List(with Tutorials, Problems, and Templates)](https://blog.shahjalalshohag.com/topic-list/) - Shahjalal Shohag
 * [Timus Online Judge](http://acm.timus.ru)
 * [UVa Online Judge](https://uva.onlinejudge.org/index.php?Itemid=8&option=com_onlinejudge)
 * [Школа программиста](https://acmp.ru)