feat: add ContactImports class for managing contact imports

[vcapretz]

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Summary by cubic

Adds ContactImports to manage contact import jobs. You can now list imports with pagination and status filters via resend.contacts.imports.list().

• New Features
  • Added contacts.imports accessor and ContactImports.list() using /contacts/imports.
  • Supports pagination options and status filter (queued, in_progress, completed, failed).
  • Exported related interfaces from src/index.ts for external use.

^{Written for commit a1de61f. Summary will update on new commits. Review in cubic}

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/resend@963

commit: a1de61f

[cubic-dev-ai]

No issues found across 6 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

<sub>Auto-approved: This PR adds a new ContactImports class with a list method, following the established pattern of similar sub-resources like ContactTopics and ContactSegments, includes passing tests, and only touches new files and minimal additions to existing files, making the blast radius very low.

Re-trigger cubic</sub>

[lucasfcosta]

Nice!