* Add API to get issue/pull comments and events (timeline)
Adds an API to get both comments and events in one endpoint with all required data.
Closesgo-gitea/gitea#13250
* Fix swagger
* Don't show code comments (use review api instead)
* fmt
* Fix comment
* Time -> TrackedTime
* Use var directly
* Add logger
* Fix lint
* Fix test
* Add comments
* fmt
* [test] get issue directly by ID
* Update test
* Add description for changed refs
* Fix build issues + lint
* Fix build
* Use string enums
* Update swagger
* Support `page` and `limit` params
* fmt + swagger
* Use global slices
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>