[Example Request] Deploy FLAN-T5-XXL on SageMaker

**Describe the use case example you want to see**

Deploy FLAN-T5-XXL on SageMaker

**How would this example be used? Please describe.**
Deploy FLAN-T5-XXL on SageMaker

**Describe which SageMaker services are involved**
SageMaker hosting

**Describe what other services (other than SageMaker) are involved***
S3, ECR

**Describe which dataset could be used. Provide its location in s3://sagemaker-sample-files or another source.**
NA

No repository file, test, or entry point is identified. Start by reviewing existing SageMaker hosting examples and determine how a FLAN-T5-XXL deployment should use SageMaker hosting, S3, and ECR. Done means a complete, runnable example notebook that deploys the model on SageMaker.

Written by the indexing model from the issue text.