update docs (#26)

Signed-off-by: chensuyue <[email protected]>

LEGAL_INFORMATION.md

@@ -0,0 +1,25 @@
+# Legal Information
+
+1. [License](#license)
+2. [Citation](#citation)
+
+## License
+
+Generative AI Evaluation is licensed under [Apache License Version 2.0](http://www.apache.org/licenses/LICENSE-2.0).
+This software includes components that have separate copyright notices and licensing terms.
+Your use of the source code for these components is subject to the terms and conditions of the following licenses.
+
+See the accompanying [license](/LICENSE) file for full license text and copyright notices.
+
+## Citation
+
+If you use Generative AI Evaluation in your research, use the following BibTeX entry.
+
+```
+@misc{Generative AI Evaluation,
+  author =       {Chang Wang, Haihao Shen},
+  title =        {Generative AI Evaluation},
+  howpublished = {\url{https://github.com/opea-project/GenAIEval}},
+  year =         {2024}
+}
+```

README.md

@@ -118,3 +118,9 @@ args = BigcodeEvalParser(
 )
 results = evaluate(args)
 ```
+
+## Additional Content
+- [Code of Conduct](https://github.com/opea-project/docs/tree/main/community/CODE_OF_CONDUCT.md)
+- [Contribution](https://github.com/opea-project/docs/tree/main/community/CONTRIBUTING.md)
+- [Security Policy](https://github.com/opea-project/docs/tree/main/community/SECURITY.md)
+- [Legal Information](/LEGAL_INFORMATION.md)