Add docs for AWS endpoints for China region [ci skip]
Add docs for AWS endpoints for China region [ci skip]

nextflow-io/nextflow,robsyme/nextflow,nextflow-io/nextflow,nextflow-io/nextflow,robsyme/nextflow,robsyme/nextflow,robsyme/nextflow,robsyme/nextflow,nextflow-io/nextflow,nextflow-io/nextflow