chore: export repository funcs

[SamMorrowDrums]

Export repository funcs to the public interface.

[Copilot]

Pull Request Overview

This PR updates the naming of various repository functions and tool definitions to export them on the public interface.

• Renamed resource functions from lower-case to exported (capitalized) versions in pkg/github/server.go, pkg/github/repository_resource.go, and corresponding test files.
• Updated tool functions in pkg/github/repositories.go and pkg/github/repositories_test.go to use capitalized, exported names.

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pkg/github/server.go	Updated calls to resource functions to their exported versions.
pkg/github/repository_resource_test.go	Updated tests to use exported resource handler functions.
pkg/github/repository_resource.go	Renamed resource functions and handler to exported names.
pkg/github/repositories_test.go	Updated tests to use exported tool function names.
pkg/github/repositories.go	Renamed tool functions to exported names.

Comments suppressed due to low confidence (1)

pkg/github/server.go:59

• [nitpick] The function 'searchRepositories' remains unexported while other repository functions have been updated to exported versions. Consider renaming it to 'SearchRepositories' for naming consistency if it is meant to be part of the public interface.

s.AddTool(searchRepositories(client, t))

[juruen]

🚀

The base branch was changed.