Revise README for clarity and accuracy

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docs: finalize dataset setup section and remove temporary image placeholder

docs: add image placeholder for CSV generation result

docs: include dataset, add tianchi origin acknowledgment and clarify auto-import script

docs: add acknowledgment for Rinta13795's testing and bug reports

Address QA feedback: check NEO4J_PASSWORD and add setuptools dependency

Update README to clarify data generation steps

Optimize data initialization: remove dead code and stop tracking generated CSVs

Fix project initialization issues based on feedback

Restore env_file in docker-compose.yml

Update demo screenshot in README

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Create image1

Update API keys and Neo4j password in .env.example