refactor

What's Changed

• feat: Refactor code to separate functions for creating review comment… by @hohyon-ryu in #1
• chore: add language option to action.yml and use it in createPrompt.ts by @hohyon-ryu in #2
• chore: remove unnecessary error handling in main function by @hohyon-ryu in #3

New Contributors

• @hohyon-ryu made their first contribution in #1

Full Changelog: https://github.com/hohyon-ryu/ai-codereviewer/commits/refactor