Add .gitignore and Update README.md

Author: Alperencode

.gitignore

@@ -0,0 +1,2 @@
+*.exe
+.vscode

README.md

@@ -2,8 +2,8 @@
 
 ## Repository Description
 
-This repository contains my LeetCode and CodeWars (Kata) problem solutions which is mostly written with Python. I'll try to keep solving problems in my free time to see different variant of questions and improve my algorithm solving skills.
+This repository contains my LeetCode, CodeWars (Kata) and HackerRank problem solutions which is mostly written with Python. I'll try to keep solving problems in my free time to see different variant of questions and improve my algorithm solving skills.
 
 <br>
 
-#### Note: Files with the '-u' at the end means they are unfinished.
+#### Note: Files with the '-u' at the end means they are unfinished.