[API] Add modified/created time to contents

[mmarif4u]

Feature Description

It would be nice if the API for files (contents) return the modified/created time too.

API ref: https://codeberg.org/api/swagger#/repository/repoGetContentsList
Ref link: https://codeberg.org/gitnex/GitNex/issues/1225

cc @6543 if you are still active here. :)

Screenshots

No response

[lunny]

Hi, I think the last modified/created time can be read from the last commit.

+ LastCommitWhen : lastCommit.Author.When,

[mmarif4u]

Hi @lunny, I guess you are referring to the code implementation that needs to be done.

A date object can be added from the lastCommit.Author.When to the json output.

[lunny]

I used LastCommitWhen in #32921. Maybe Author time is better?

[wxiaoguang]

I used LastCommitWhen in #32921. Maybe Author time is better?

Let's add both: LastCommiterDate and LastAuthorDate, let the caller decide