Add :topdown selector to match hierarchically #539
Merged
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The topdown selector is used to match shapes hierarchically based on a match selector and optional disqualifier selector. This can be used to match shapes that are marked as controlPlane or dataPlane using
inheritance from resource/service bindings, match shapes that use httpBasic auth, etc.
Note: This probably needs more docs, but I wanted to push it up to make sure it looks useful.