* Introduce a `MediaEventsTimelineFlowCoordinator`
* Update SDK API and architecture
* Add a feature flag, add translations
* Move the media events timeline presentation under the room flow coordinator state machine
* Rename `TimelineViewState.timelineViewState` of type `TimelineState` to `timelineState`
* Enabled SwiftLint's `trailing_closure` rule and fix the warnings.
* Add the networkMonitor to the NSE and delete the old MockMediaLoader
* Generate a MediaLoaderMock through AutoMockable and use it in the MediaProviderTests
* Implement an ImageProvider mechanism that automatically tries reloading images when connectivity is established again and use it for LoadableImages
* Merge the ImageProvider protocol back into the MediaProvider
* Address PR review comments
* Provide a default sdk client request configuration
* Address tasks not automatically cancelling themselves when views get deallocated
* Delete deprecated font tokens.
* Migrate from primaryContent to textPrimary/iconPrimary.
* Migrate from links to textLinkExternal.
* Migrate from secondaryContent to textSecondary/iconSecondary.
* Migrate from accent to textActionPrimary.
- Some uses changed to textPrimary or iconPrimary as necessary.
- Some manual tints removed now that that Sentry is fixed.
* Migrate alert to textCriticalPrimary/iconCriticalPrimary.
* Migrate from brand to textActionAccent/iconAccentTertiary.
* Migrate from background to bgCanvasDefault or text/iconOnSolidPrimary
* Migrate system to bgSubtleSecondary.
* Remove ElementUIColors and obsolete migrated colours.
* Migrate tertiaryContent/quaternaryContent/quinaryContent to Compound.
* Migrate bubblesYou/bubblesNotYou to use Compound.
* Update Compound.
