prepare framework migration

[treywelsh]

Community Note

• Please vote on this issue by adding a 👍 reaction to the original issue to help the community and maintainers prioritize this request
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for PR followers and do not help prioritize the request

Description

The goal of this PR is to implement a provider using the framework in a minimal way in order to allow to migrate resources one by one over several provider releases.

This try to follow the migration procedure from terraform documentation.

References

Close #383

Checklist

• I have created an issue and I have mentioned it in References
• My code follows the style guidelines of this project (use go fmt)
• My changes generate no new warnings or errors
• I have updated the unit tests and they pass succesfuly
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation (if needed)
• I have updated the changelog file

[github-actions]

This pull request is stale because it has been open for 30 days with no activity and it is not in a milestone. Remove 'status: stale' label or comment, or this will be closed in 5 days.