refactor: registry package types

[peppescg]

The Swagger/OpenAPI documentation generated by swaggo/swag was creating schema definitions with names derived from the Go package structure, specifically using types.* as the schema prefix (e.g., types.ImageMetadata, types.RemoteServerMetadata, types.EnvVar, types.Header, etc.).

This naming convention was problematic for the toolhive-studio cause typescript will use types.EnvVar rather than Registry.EnvVar

Fixed move up the type files

[codecov]

Codecov Report

❌ Patch coverage is 23.52941% with 26 lines in your changes missing coverage. Please review.
✅ Project coverage is 55.23%. Comparing base (c4a0c65) to head (32984bd).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/auth/remote/config.go	0.00%	14 Missing ⚠️
pkg/api/v1/registry.go	14.28%	6 Missing ⚠️
pkg/container/verifier/verifier.go	0.00%	4 Missing ⚠️
pkg/runner/env.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2615      +/-   ##
==========================================
+ Coverage   55.20%   55.23%   +0.02%     
==========================================
  Files         315      315              
  Lines       30123    30123              
==========================================
+ Hits        16630    16638       +8     
+ Misses      12049    12036      -13     
- Partials     1444     1449       +5     

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[dmartinol]

@peppescg @dmjb FYI, this broke some code in the toolhive-registry-server dependant repo, maybe we need some coordination before updating exported pkg names. Fixed in stacklok/toolhive-registry-server#139

[peppescg]

@peppescg @dmjb FYI, this broke some code in the toolhive-registry-server dependant repo, maybe we need some coordination before updating exported pkg names. Fixed in stacklok/toolhive-registry-server#139

@dmartinol sorry for that and thanks for the fix. You're right that we need to coordinate, our fault sorry.

[blkt]

@peppescg @dmjb FYI, this broke some code in the toolhive-registry-server dependant repo, maybe we need some coordination before updating exported pkg names. Fixed in stacklok/toolhive-registry-server#139

@dmartinol that's our fault, we were aware this was coming (and actually helped making it land). The underlying problem is that swag, the tool we use to generate openapi specs, uses package names to produce names reported in the spec. This is a major problem because we originally moved this under /regisry/types and this broke @peppescg's work, so we moved it under a package that (a) reverted the breaking changes for @peppescg, and (b) solved a circular dependency in that package.