Bug Fixes

• Return error detail when streaming fails. #489 by @statefb

Enhancements

• Add YouTube overview video link to README. #484
• Upgrade AWS Amplify to version 6.4.3. #481 by @Yukinobu-Mine
• Update AWS Amplify to version 6.4.4 to fix vulnerability. #483 by @Yukinobu-Mine
• Exclude some folders when building Docker images to reduce deployment time. #473 by @fsatsuki
• Add Ladle stories and refactor ChatPage, ChatListDrawer and related components. #485 by @Yukinobu-Mine
• Refactor detection logic of keyboard shortcuts in ChatPage. #476 by @Yukinobu-Mine
• Add attribute to BotSummary to determine whether the bot is using Bedrock KnowledgeBase. #480 by @statefb