# Summary [about this guide](./about.md) --- - [branch policy](branches.md) - [build features](build_features.md) - [directory structure](directories.md) - [document guideline](doc_guideline.md) - [embedding](embedding.md) - [development environment](env.md) - [internationalization](i18n_messages.md) - [Rust code guideline](rust_code_guideline.md) - [test](test.md) - [troubleshooting](troubleshooting.md) - [versioning](version.md)