Release v0.2.0: Streaming API, Merkle trees, Service Worker, Multi-CDN

Major features:
- verifyFetchStream() for constant-memory verification of large files
- Merkle tree support with --merkle flag for fail-fast chunk verification
- Service Worker mode (verifyfetch/worker) for zero-code integration
- Multi-CDN failover with verifyFetchFromSources()

Web app improvements:
- Mobile responsive design
- Syntax highlighting for code examples
- Updated playground with honest memory usage claims
- Generator updated to v2 manifest format

Examples:
- All examples updated with streaming and v0.2.0 features
- Added useVerifiedFetch hook with fetchStream method

222 tests passing

Author: hamzaydia

.gitignore

@@ -43,7 +43,6 @@ temp/
 # Lock files (use pnpm)
 package-lock.json
 yarn.lock
-ROADMAP.md
 CLAUDE.md
 
 # Example build artifacts