feature: 指定某一列，当相邻单元格内容一致时合并处理

[long-chin]

No description provided.

[psxjoy]

Hi, IMO: This functionality can be tailored by users as needed.
For those with specific requirements, a custom implementation is feasible.
Should we consider integrating it into the default strategy?

[long-chin]

Your suggestion is very good, I will revise it and submit it again

[psxjoy]

Hi, maybe I wasn't clear enough. Kindly delete the author information and refrain from including any personal developer specifics :)

[psxjoy]

Update: In the code review process.

[wangmiscoding]

It seems that the code is not formatted, and the character spacing is not consistent

[delei]

Hi, @long-chin
Thank you for submitting this PR!

We should resolve conflicts first, and please modify the commit message to better comply with the commit guidelines,and use English for commit messages.
e.g., feat: xxx