chore: compress repository banner from PNG to WebP (#235)

* optimize repository banner using webp compression

* docs: add contributors wall to CONTRIBUTING.md

- replaced the manual contributor list with an auto-generated contributors wall using contrib.rocks for easier maintenance

---------

Co-authored-by: Gray Guava <215248564+grayguava@users.noreply.github.com>

README.md

@@ -1,4 +1,4 @@
-![Awesome Hacking](awesome_hacking.png)
+![Awesome Hacking](awesome_hacking.webp)
 
 # [Awesome Hacking](https://github.com/Hack-with-Github/Awesome-Hacking) [![Tweet](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=Awesome%20Hacking%20-%20a%20collection%20of%20awesome%20lists%20for%20hackers%20and%20pentesters%20by%20@HackwithGithub&url=https://github.com/Hack-with-Github/Awesome-Hacking&hashtags=security,hacking)
 

contributing.md

@@ -21,12 +21,8 @@ This resource was made by the developers and hackers alike! We appreciate and re
 
 ## Contributors
 
-- [Chandrapal](https://github.com/Chan9390)
-- [Madhu Akula](https://www.github.com/madhuakula)
-- [Derick Thomson](https://www.facebook.com/derick.thomson) (Image)
-- [Aleksandar Todorović](https://github.com/aleksandar-todorovic)
-- [Sobolev Nikita](https://github.com/sobolevn)
-- [Serhii Pronin](https://github.com/re-pronin)
-- [ReadmeCritic](https://github.com/ReadmeCritic)
-- [Yakup Ateş](https://github.com/y-ates)
-- [Alan Chang](https://github.com/tcode2k16)
+Thanks to these amazing people who contributed to this project ❤️
+
+<a href="https://github.com/hack-with-github/awesome-hacking/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=hack-with-github/awesome-hacking" />
+</a>