add codefactor badge

Author: SaicharanKandukuri

README.md

@@ -4,8 +4,8 @@ A project written in bash to make linux tarball building process easier
 |  | badges |
 |--|--      |
 |build tests ( `impish`, `hirsute`, `jammy` ) | [![build-udroid](https://github.com/RandomCoderOrg/fs-cook/actions/workflows/build-udroid.yml/badge.svg)](https://github.com/RandomCoderOrg/fs-cook/actions/workflows/build-udroid.yml) |
-| FOSS LICENSE | [![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2FRandomCoderOrg%2Ffs-cook.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2FRandomCoderOrg%2Ffs-cook?ref=badge_shield)
- |
+| FOSS LICENSE | [![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2FRandomCoderOrg%2Ffs-cook.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2FRandomCoderOrg%2Ffs-cook?ref=badge_shield) |
+|Codefactor grade| [![CodeFactor](https://www.codefactor.io/repository/github/randomcoderorg/fs-cook/badge)](https://www.codefactor.io/repository/github/randomcoderorg/fs-cook) |
 
 [DEV] Linux tarball building
 > ⚠️ warning this code is heavily experimental & work in progress!