Add RandomBufferGenerator protocol for WASI random_get #85
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This protocol allows to inject a custom random number generator for `wasi_snapshot_preview1::random_get` function. The default implementation continues to use `swift_stdlib_random` function but users can provide their own implementation. Additionally, types conforming to `RandomNumberGenerator` can automatically conform to the new protocol. This is useful when we want fully deterministic behavior like build tools or tests.
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This protocol allows to inject a custom random number generator for
wasi_snapshot_preview1::random_getfunction. The default implementation continues to useswift_stdlib_randomfunction but users can provide their own implementation. Additionally, types conforming toRandomNumberGeneratorcan automatically conform to the new protocol.This is useful when we want fully deterministic behavior like build tools or tests.
Resolves a part of #84