Updated README links

Author: vanntile

README.md

@@ -11,12 +11,12 @@ Check the course at [https://JavaScript30.com](https://JavaScript30.com)
 
 ## Table of contents
 
-1. [x] [JavaScript Drum Kit](https://vanntile.github.io/JavaScript30/01%20-%20JavaScript%20Drum%20Kit/index.html)
+1. [x] [JavaScript Drum Kit](https://vanntile.github.io/JavaScript30/01%20-%20JavaScript%20Drum%20Kit/)
 and my [notes](./01%20-%20JavaScript%20Drum%20Kit)
-2. [x] [JS + CSS Clock](https://vanntile.github.io/JavaScript30/02%20-%20JS%20and%20CSS%20Clock/index.html)
-3. [x] [CSS Variables](https://vanntile.github.io/JavaScript30/03%20-%20CSS%20Variables/index.html)
-4. [x] [Array Cardio, Day 1](https://vanntile.github.io/JavaScript30/04%20-%20Array%20Cardio%20Day%201/index.html)
-5. [x] [Flex Panel Gallery](https://vanntile.github.io/JavaScript30/05%20-%20Flex%20Panel%20Gallery/index.html)
+2. [x] [JS + CSS Clock](https://vanntile.github.io/JavaScript30/02%20-%20JS%20and%20CSS%20Clock/)
+3. [x] [CSS Variables](https://vanntile.github.io/JavaScript30/03%20-%20CSS%20Variables/)
+4. [x] [Array Cardio, Day 1](https://vanntile.github.io/JavaScript30/04%20-%20Array%20Cardio%20Day%201/)
+5. [x] [Flex Panel Gallery](https://vanntile.github.io/JavaScript30/05%20-%20Flex%20Panel%20Gallery/)
 and my [notes](./05%20-%20Flex%20Panel%20Gallery)
 6. [ ] Type Ahead
 7. [ ] Array Cardio, Day 2