[Communication] - Add Contribution file for Communication (#20551)
[Communication] - Add Contribution file for Communication (#20551)

* Add Contribution file for Communication

* Clean up

* Fix type

* Update sdk/communication/CONTRIBUTING.md

Co-authored-by: JoshuaLai <2af6e942275f40842af9ce202467d9fd1a4f9343@users.noreply.github.com>

* Fix broken links

Co-authored-by: Minnie Liu <e1422b188e2912012512656d14c84546d58960ea@microsoft.com>
Co-authored-by: JoshuaLai <2af6e942275f40842af9ce202467d9fd1a4f9343@users.noreply.github.com>
jackmagic313/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,AsrOneSdk/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,AsrOneSdk/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,AsrOneSdk/azure-sdk-for-net,jackmagic313/azure-sdk-for-net,AsrOneSdk/azure-sdk-for-net