v0.2.0

What's Changed

Documentation & SEO

• Rich package documentation for all packages (pkg.go.dev)
• Example tests: ExampleSign, ExampleVerify, ExampleAgree, ExampleHash, ExampleGenerateKey, ExampleAllCurves
• README: "Why gost-crypto?" section, feature table with Go interfaces, standards compliance
• Russian README with GOST-specific keywords
• GitHub repository metadata: topics, description, homepage

Community

• Issue templates (bug report, feature request)
• Pull request template
• Code of Conduct (Contributor Covenant)
• CITATION.cff for academic citations

CI

• Codecov coverage upload