* fix typo
* Migrate reviews when migrating repository from github
* fix lint
* Added test and migration when external user login
* fix test
* fix commented state
* Some improvements
* fix bug when get pull request and ref original author on code comments
* Fix migrated line; Added comment for review
* Don't load all pull requests attributes
* Fix typo
* wrong change copy head
* fix tests
* fix reactions
* Fix test
* fix fmt
* fix review comment reactions
* Sleep longer if request speed is over github limitation
* improve code
* remove unused code
* fix lint
* Use github's rate limit remain value to determine how long to sleep
* Save reset time when finished github api request
* fix bug
* fix lint
* Add context.Context for sleep
* fix test
* improve code
* fix bug and lint
* fix import order
* Add retry for migration http/https requests
* give the more suitable name for retry configuraion items
* fix docs and lint
* Only use retryDownloader when setting > 1