feat: make the API async #26

Job	Run time
Lint	31s
stable - x86_64-unknown-linux-gnu - node@24	26s
stable - aarch64-unknown-linux-gnu - node@24	33s
stable - x86_64-apple-darwin - node@24	38s
stable - aarch64-apple-darwin - node@24	50s
stable - x86_64-pc-windows-msvc - node@24	3m 48s
Test bindings on x86_64-apple-darwin - node@24	1m 32s
Test x86_64-unknown-linux-gnu - node@24	26s
Test bindings on aarch64-apple-darwin - node@24	20s
Test aarch64-unknown-linux-gnu - node@24	38s
Test bindings on x86_64-pc-windows-msvc - node@24	41s
Publish	11s
	10m 34s

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