Liu An 83e80e3d7f Docs: Update version references to v0.21.1 in READMEs and docs (#10761) ... ### What problem does this PR solve? - Update version tags in README files (including translations) from v0.21.0 to v0.21.1 - 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		2025-10-23 18:55:41 +08:00
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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 v0.21.1 in READMEs and docs (#10761)	2025-10-23 18:55:41 +08:00