feat(node-bindings): add methods for returning instance urls #1286

Job	Run time
test stable --no-default-features	1m 14s
test stable	1m 13s
docs	55s
clippy	37s
test stable --all-features	2m 14s
test nightly --no-default-features	1m 10s
doctest	54s
test nightly	1m 19s
feature-checks	1m 42s
test nightly --all-features	2m 2s
test 1.76 --no-default-features	43s
wasm-unknown	35s
wasm-wasi	59s
test 1.76	50s
fmt	13s
	16m 40s

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