[appkit plugin] [4/x] Add @databricks/chat-ui package#386

hubertzub-db wants to merge 8 commits intodatabricks:maindatabricks/databricks-ai-bridge:mainfrom

hubertzub-db:stack/agent-plugin-p4hubertzub-db/databricks-ai-bridge:stack/agent-plugin-p4Copy head branch name to clipboard