v0.2.18

What's Changed

• fix: Return 0 from WASI.start() on success by @kateinoigakukun in #61
• test: Setup browser test adapter for wasi-testsuite by @kateinoigakukun in #62
• Introduce type hints in a couple more places by @bjorn3 in #63
• Add default export by @bjorn3 in #65

Full Changelog: v0.2.17...v0.2.18