feat: Disable the "reported by reviewdog 🐶" Prefix in Review Messages

[Okabe-Junya]

ref. #1662

• [ ] Updated Unreleased section in CHANGELOG or it's not notable changes.

Change List

• delete: the prefix "reported by reviewdog 🐶" whenever reviewdog comment
• update: README

[Okabe-Junya]

Thank you :)

I apologize for making such a change in the PR. I would like to modify it so that it can be disabled using the appropriate flags (e.g., disable-prefix)

[haya14busa]

Please reopen if needed.

[Okabe-Junya]

I am very sorry. I will create a new PR when working on any issues, thank you!!