Update README.md

Author: rai-gaurav

README.md

@@ -6,7 +6,11 @@
 
 [![](https://github.com/rai-gaurav/Data-Structures-and-Algorithms-Perl/workflows/Linux_CI/badge.svg)](https://github.com/rai-gaurav/Data-Structures-and-Algorithms-Perl/actions)
 [![](https://github.com/rai-gaurav/Data-Structures-and-Algorithms-Perl/workflows/Mac_CI/badge.svg)](https://github.com/rai-gaurav/Data-Structures-and-Algorithms-Perl/actions)
-[![](https://github.com/rai-gaurav/Data-Structures-and-Algorithms-Perl/workflows/Windows_CI/badge.svg)](https://github.com/rai-gaurav/Data-Structures-and-Algorithms-Perl/actions)
+[![](https://github.com/rai-gaurav/Data-Structures-and-Algorithms-Perl/workflows/Windows_CI/badge.svg)](https://github.com/rai-gaurav/Data-Structures-and-Algorithms-Perl/actions) 
+![](https://img.shields.io/github/repo-size/rai-gaurav/Data-Structures-and-Algorithms-Perl.svg?label=Repo%20size&style=flat)
+[![code formatter: perltidy](https://img.shields.io/static/v1?label=code%20formatter&message=perltidy&color=blue&style=flat)](https://github.com/perltidy/perltidy)
+![](https://img.shields.io/github/license/rai-gaurav/Data-Structures-and-Algorithms-Perl) 
+[![Tested on Perl - 5.30](https://img.shields.io/badge/Tested%20-Perl%205.30-blue.svg?logo=perl&style=flat)](https://www.perl.org)  
 
 <b> Perl version - 5.30</b> but hopefully will work on older version too (as old as 5.10) without any issue as Perl put a lot focus on backward compatibility.
 
@@ -125,4 +129,4 @@
 | Catalyst        |
 | Dancer2         |
 | Mojolicious     |
-| Web Crawling    |
+| Web Crawling    |