Stabilize Amazon IVS module

Add your +1 👍 to help us prioritize high-level constructs for this service
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### Overview:

Amazon Interactive Video Service (IVS) is a managed, live-video streaming service that allows you to:

Create channels and start streaming in minutes.

Build engaging, interactive experiences alongside ultra-low-latency live video.

Distribute video at scale to a range of devices and platforms.

Easily integrate into websites and apps.

Amazon IVS lets you focus on building your own interactive application and audience experience. With Amazon IVS, you don't need to manage infrastructure or develop and configure components of your video workflows, to be secure, reliable, and cost effective.

Amazon IVS supports RTMPS streaming. RTMPS is the secure version of RTMP (Real-Time Messaging Protocol), running over TLS. RTMP is an industry standard for transmitting video over a network.

[AWS Docs](https://docs.aws.amazon.com/ivs/latest/userguide/what-is.html)

### Maturity: CloudFormation Resources Only

See the [AWS Construct Library Module Lifecycle doc](https://github.com/aws/aws-cdk-rfcs/blob/master/text/0107-construct-library-module-lifecycle.md) for more information about maturity levels.

### Implementation:

See the [CDK API Reference](https://docs.aws.amazon.com/cdk/api/latest/docs/aws-ivs-readme.html) for more implementation details.

### Issue list:

- [ ] https://github.com/aws/aws-cdk/issues/11434

Start by reading the AWS Docs and CDK API Reference linked in the issue, then review the related scope in issue #11434. The issue provides no files, tests, or concrete implementation checklist; completion would require defining and delivering the Amazon IVS high-level constructs needed to move beyond CloudFormation Resources Only toward a stable module.

Written by the indexing model from the issue text.