Add comprehensive code review specifications and templates

- Introduced best practices requirements specification covering code quality, performance, maintainability, error handling, and documentation standards.
- Established quality standards with overall quality metrics and mandatory checks for security, code quality, performance, and maintainability.
- Created security requirements specification aligned with OWASP Top 10 and CWE Top 25, detailing checks and patterns for common vulnerabilities.
- Developed templates for documenting best practice findings, security findings, and generating reports, including structured markdown and JSON formats.
- Updated dependencies in the project, ensuring compatibility and stability.
- Added test files and README documentation for vector indexing tests.

test_index_dir/README.md

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+# Test README\n\nThis is a test file for vector indexing.

test_index_dir/test.js

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+// Test file for embedding generation\nfunction testEmbedding() {\n  console.log('Hello world');\n}\n\nexport default testEmbedding;