[```github-repo```] problem on github pages

[frmadem]

Motivation

We need to add support for pages in the module.

Acceptance criteria

• The module configures pages information.
• Tests have been made and passed.
• A new version have been released.
• Team acceptance.

[alambike]

we should support this parameters:
https://registry.terraform.io/providers/integrations/github/latest/docs/resources/repository#github-pages-configuration

Current interface from the claims definition:
https://github.com/prefapp/claims/blob/a8c2558b1f25c2ed6680b5157daa7c1a5157b267/claims/components/charts.yaml#L21-L25

providers:
  github:
...
    pages:
      cname: ''
      source:
        branch: master
        path: /docs