Liu An 3ae126836a

Docs: Update version references to v0.21.0 in READMEs and docs (#10565) ...

### What problem does this PR solve?

- Update version tags in README files (including translations) from
v0.20.5 to v0.21.0
- Modify Docker image references and documentation to reflect new
version
- Update version badges and image descriptions
- Maintain consistency across all language variants of README files

### Type of change

- [x] Documentation Update

2025-10-15 11:46:24 +08:00

..

best_practices

Docs: How to accelerate question answering (#10179)

2025-09-19 18:18:46 +08:00

_category_.json

Restructured guides (#5555)

2025-03-03 17:13:37 +08:00

implement_deep_research.md

UI updates (#9836)

2025-08-30 21:44:58 +08:00

set_chat_variables.md

Docs: Knowledge base renamed to dataset. (#10269)

2025-09-25 09:45:27 +08:00

start_chat.md

Docs: Update version references to v0.21.0 in READMEs and docs (#10565)

2025-10-15 11:46:24 +08:00