* Add rewrite support and fix existing tests
* Add unit tests for policy matching
* Compile regexes up front and store policies in map
* Add test for verify flow with mirror
* Rename ImageName -> ResolvedName
And only set it when necessary
* Rename Rewrite -> Replacement
but keep it as rewrite in the yaml
* Add support for separate attestation storage repo
* Move mapping file types and parsing to config package
* Change signature of Verify to take image/platform
* Separate Attestation Resolvers to their own files (registry, layout and referrers)
* Add support configuring referrers resolution style in mapping.yaml
* Add registry test
