ci: add linux compiler status to readme
| x86_64 | apple | darwin | macOS | libraries | [![x86_64-apple-darwin Libraries](https://github.com/GetFirefly/firefly/workflows/x86_64-apple-darwin%20Libraries/badge.svg?branch=develop)](https://github.com/GetFirefly/firefly/actions?query=workflow%3A%22x86_64-apple-darwin+Libraries%22+branch%3Adevelop)
| x86_64 | apple | darwin | macOS | firefly/otp | [![x86_64-apple-darwin firefly/otp](https://github.com/GetFirefly/firefly/workflows/x86_64-apple-darwin%20firefly%2Fotp/badge.svg?branch=develop)](https://github.com/GetFirefly/firefly/actions?query=workflow%3A%22x86_64-apple-darwin+firefly%2Fotp%22+branch%3Adevelop)
| x86_64 | apple | darwin | macOS | runtime full | [![x86_64-apple-darwin Runtime Full](https://github.com/GetFirefly/firefly/workflows/x86_64-apple-darwin%20Runtime%20Full/badge.svg?branch=develop)](https://github.com/GetFirefly/firefly/actions?query=workflow%3A%22x86_64-apple-darwin+Runtime+Full%22+branch%3Adevelop)
+| x86_64 | unknown | linux-gnu | Linux | compiler | [![x86_64-unknown-linux-gnu compiler](https://github.com/GetFirefly/firefly/workflows/x86_64-unknown-linux-gnu%20compiler/badge.svg?branch=develop)](https://github.com/GetFirefly/firefly/actions?query=workflow%3A%22x86_64-unknown-linux-gnu+compiler%22+branch%3Adevelop)
| x86_64 | unknown | linux-gnu | Linux | libraries | [![x86_64-unknown-linux-gnu Libraries](https://github.com/GetFirefly/firefly/workflows/x86_64-unknown-linux-gnu%20Libraries/badge.svg?branch=develop)](https://github.com/GetFirefly/firefly/actions?query=workflow%3A%22x86_64-unknown-linux-gnu+Libraries%22+branch%3Adevelop)
| x86_64 | unknown | linux-gnu | Linux | firefly/otp | [![x86_64-unknown-linux-gnu firefly/otp](https://github.com/GetFirefly/firefly/workflows/x86_64-unknown-linux-gnu%20firefly%2Fotp/badge.svg?branch=develop)](https://github.com/GetFirefly/firefly/actions?query=workflow%3A%22x86_64-unknown-linux-gnu+firefly%2Fotp%22+branch%3Adevelop)
| x86_64 | unknown | linux-gnu | Linux | runtime full | [![x86_64-unknown-linux-gnu Runtime Full](https://github.com/GetFirefly/firefly/workflows/x86_64-unknown-linux-gnu%20Runtime%20Full/badge.svg?branch=develop)](https://github.com/GetFirefly/firefly/actions?query=workflow%3A%22x86_64-unknown-linux-gnu+Runtime+Full%22+branch%3Adevelop)
