feat: 🚀 ai-commits prompt逻辑和基础的逻辑（暂时还没和命令行交互）

[xiaoFeng5210]

The prompt logic and basic logic part of ai commits are submitted

BREAKING CHANGE: The prompt logic and basic logic part of ai commits are submitted

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows our guidelines: https://github.com/xun082/create-neat/blob/master/CONTRIBUTING.md
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Other... Please describe:

What is the current behavior?

Related #117

What is the new behavior?

此pr提交了ai-commits prompt逻辑和基础的一些逻辑，暂时还没和命令行联系起来，后续会继续开发

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information