Add Natvis visualizations for some `http` types#533

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ridwanabdillahi wants to merge 3 commits intohyperium:masterfrom ridwanabdillahi:natvis

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Commits on Aug 3, 2022

Add Natvis definitions for some of the core types in the http crate. Add tests and a testing framework to ensure the Natvis definitions do not become stale and/or broken.
ridwanabdillahi
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Commits on Aug 12, 2022

Minor cleanups to debugger_visualizer test expectations.
ridwanabdillahi
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Commits on Aug 18, 2022

Update Natvis defintions following latest changes to the debuginfo layouts for enums generated by the Rust compiler.
ridwanabdillahi
committed