* first setup
* network timeline paging / improvements
* rename classes / move to correct package
* remove unused class TimelineAdapter
* some code cleanup
* remove TimelineRepository, put mapper functions in TimelineTypeMappers.kt
* add db migration
* cleanup unused code
* bugfix
* make default timeline settings work again
* fix pinning statuses from timeline
* fix network timeline
* respect account settings in NetworkTimelineRemoteMediator
* respect account settings in NetworkTimelineRemoteMediator
* update license headers
* show error view when an error occurs
* cleanup some todos
* fix db migration
* fix changing mediaPreviewEnabled setting
* fix "load more" button appearing on top of timeline
* fix filtering and other bugs
* cleanup cache after 14 days
* fix TimelineDAOTest
* fix code formatting
* add NetworkTimeline unit tests
* add CachedTimeline unit tests
* fix code formatting
* move TimelineDaoTest to unit tests
* implement removeAllByInstance for CachedTimelineViewModel
* fix code formatting
* fix bug in TimelineDao.deleteAllFromInstance
* improve loading more statuses in NetworkTimelineViewModel
* improve loading more statuses in NetworkTimelineViewModel
* fix bug where empty state was shown too soon
* reload top of cached timeline on app start
* improve CachedTimelineRemoteMediator and Tests
* improve cached timeline tests
* fix some more todos
* implement TimelineFragment.removeItem
* fix ListStatusAccessibilityDelegate
* fix crash in NetworkTimelineViewModel.loadMore
* fix default state of collapsible statuses
* fix default state of collapsible statuses -tests
* fix showing/hiding media in the timeline
* get rid of some not-null assertion operators in TimelineTypeMappers
* fix tests
* error handling in CachedTimelineViewModel.loadMore
* keep local status state when refreshing cached statuses
* keep local status state when refreshing network timeline statuses
* show placeholder loading state in cached timeline
* better comments, some code cleanup
* add TimelineViewModelTest, improve code, fix bug
* fix ktlint
* fix voting in boosted polls
* code improvement
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