### What problem does this PR solve?
fix: Make markdown support line breaks #2315
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
feat: Show prompt send to LLM for assistant answer #2098
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Embed the chat window into other websites through iframe
#345
### Type of change
- [x] New Feature (non-breaking change which adds functionality)