docs: bump year displayed for badges on readme

Author: developher-net

README.md

@@ -4,7 +4,7 @@
 
 ## Status
 
-### 2020
+### 2021
 ![](https://img.shields.io/badge/day%20📅-14-blue)
 ![](https://img.shields.io/badge/stars%20⭐-6-yellow)
 ![](https://img.shields.io/badge/days%20completed-3-red)