v0.4.0

What's Changed

• upgrade: vite / vite-plugin-dts / vitest by @nickichi in #40
• optimize: implement postal code data compression by @nickichi in #41
• V0.4.0 by @nickichi in #42

v0.4.0 Release - Performance Optimization & Dependency Updates

🚀 Performance Improvements

• Data Compression: Implemented postal code data compression achieving
  30-40% size reduction, significantly improving bundle size and load times

🧪 Testing

• Added comprehensive test cases to ensure reliability and prevent
  regressions

📦 Dependency Updates

• Upgraded to latest versions of core development dependencies:
  • Biome (code formatting and linting)
  • Vite (build tooling)
  • Vitest (testing framework)
  • vite-plugin-dts (TypeScript declaration generation)

📈 Impact

This release focuses on performance optimization while maintaining full
backward compatibility. The data compression improvements will result in
faster load times and smaller bundle sizes for applications using jposta.

Full Changelog: v0.3.14...v0.4.0