doc: update docs for dpasswordedit

[homehomehu]

更新dpasswordedit的文档 #467

Log: update docs

Task: deepin-community/coding-quarter#26

[github-actions[bot]]

CLA Assistant Lite bot All contributors have signed the CLA ✍️ ✅

[homehomehu]

I have read the CLA Document and I hereby sign the CLA.

[homehomehu]

recheck

[deepin-bot[bot]]

Doc Check bot :green_circle: Document Coverage Check Passed!

[xzl01]

@param[in] 我们要求参数区分传入参数和传出参数

[kegechen]

commit msg 再参考commit规范改一下

[homehomehu]

commit msg 再参考commit规范改一下

[homehomehu]

/merge