feat: add a defaultAttributes parameter in getPersistentAttributes

[hideokamoto]

Description

To add a new parameter named defaultAttributes. We can easy to initialize persistence attributes to use it.

Motivation and Context

Before

We have to initialize persistence attributes by own code.

let attributes = await attributesManager.getPersistentAttributes()
if (!attributes) {
  attributes = {
    invocationCount: 1
  }
  attributesManager.setPersistenceAttributes(attributes)
}

After

We can easy to initialize the attributes

const attributes = await attributesManager.getPersistentAttributes(true, { invocationCount: 1 } )

Testing

See my test code in this PR.

Screenshots (if appropriate)

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ x ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Docs(Add new document content)
• [ ] Translate Docs(Translate document content)

Checklist

• [x] My code follows the code style of this project
• [x] My change requires a change to the documentation
• [x] I have updated the documentation accordingly
• [x] I have read the README document
• [x] I have added tests to cover my changes
• [x] All new and existing tests passed
• [x] My commit message follows Conventional Commit Guideline

License

• [x] I confirm that this pull request can be released under the Apache 2 license

[ShenChen93]

@hideokamoto

Thanks for this PR. This feature looks reasonable and useful, will do the merge and get it out on next SDK release.

Thanks, Shen