* Pass full attributed string to TimelineItems and let the UI level handle blockquote coalescing
* Add permalink detection and attribute embedding within the attributed string
- Decryption banner on the timeline
- Bubble colours
- Background insets
- Multiline composer corner radius
- Read marker
- GIF indicator
- Reactions shape
- Use RoomTimelineViewLabelStyle everywhere possible
- Only set a line limit on reply quotes, allow all the lines for regular quotes.
- Message label icons
- Yes/No button casing
- Make sender profiles immutable.
- Enable copy link and invite buttons.
- Fix layout loop detecting multiline composer text.
- Add animation to the encryption banner.
* Fixes#276 - Rebuilt room timeline:
- Removed the need for the ListCollectionViewAdapter
- Rewrote the TimelineItemList without using introspection
- Added ReversedScrollView for laying out items at the bottom/trailing
- Rewrote TimelineProvider diffing through CollectionDifference (similar to the RoomSummaryProvider)
- Added back `scrollDismissesKeyboard` behavior
- Various other tweaks and fixes
- Fixed various warnings:
- removed async AttributedStringBuilder as AttributedString is non-sendable, made the RoomTimelineItemFactory synchronous
- removed unused virtual timeline items
- removed unused isOutgoing property from the FormattedBodyText
* Make TimelineItemContextMenuActions indentifiable and specify contextMenu identifiers
* Bump the matrix-rust-components-swift to v1.0.16-alpha
* Add changes file and changelog contribution guide
* Fix attributed string builder unit tests
