Add `Binding<Bool>` and animation in `ChatView` for three-dots typing indicator #32

Job	Run time
Build and Test iOS / Test using xcodebuild or run fastlane	1m 57s
Build and Test iPadOS / Test using xcodebuild or run fastlane	2m 11s
Build and Test Swift Package iOS / Test using xcodebuild or run fastlane	1m 8s
Upload Coverage Report / Create and upload coverage report / Create and upload coverage report	50s
	6m 6s

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