Terraform Amplify Provider

### Is this feature request related to a new or existing Amplify category?

New category

### Is this related to another service?

_No response_

### Describe the feature you'd like to request

I know that there is a progress of terraform provider of amplify. Is there any ETA? We can be alpha tester for that project.

### Describe the solution you'd like

We would like to use Terraform since we can use other plugins and existing infrastructure.

### Describe alternatives you've considered

The only alternative is using CLI.

### Additional context

_No response_

### Is this something that you'd be interested in working on?

- [ ] 👋 I may be able to implement this feature request
- [ ] ⚠️ This feature might incur a breaking change

The issue requests a Terraform provider for a new Amplify category but names no files, tests, or implementation entry points. Start by locating the existing Terraform provider progress and the Amplify CLI category architecture, then determine the provider scope, supported resources, and acceptance criteria before implementation.

Written by the indexing model from the issue text.