Initial support for value section parsing#1541

Draft

primoly wants to merge 7 commits intobytecodealliance:mainfrom primoly:values

Commits on May 9, 2024

initial support for value sections in wasmparser
primoly
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Commits on May 10, 2024

visitor
primoly
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Commits on May 11, 2024

Fix variant case parsing
primoly
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Commits on May 12, 2024

validation
primoly
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cleanup
primoly
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Commits on May 29, 2024

update flags, variant and enum decoding
primoly
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Commits on Jun 3, 2024

revert label parsing
primoly
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