feat: Pull teams information from Github

[ssherar]

No description provided.

[Copilot]

Pull Request Overview

This PR extends the GitHub plugin to collect teams information in addition to organization settings. It restructures the data model to wrap both organization settings and teams data in a unified GithubData struct.

• Introduces a new GithubData struct to hold both organization settings and teams information
• Updates data fetching to retrieve teams data from the GitHub API
• Modifies policy evaluation to work with the new data structure

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
main.go	Added empty line for formatting
internal/data.go	Added GithubData struct and updated FetchData to retrieve teams information
internal/eval.go	Updated policy evaluator to work with new GithubData struct instead of raw organization
internal/eval_test.go	Updated test data and function calls to use new data structure
examples/policies/gh_org_mfa_enabled.rego	Updated policy to reference input.settings instead of input.organization
README.md	Updated documentation formatting and added teams permission requirement
Makefile	Added new Makefile with policy testing and validation targets

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