Added the ability to specify any start identifier for the xreadgroup

[powersemmi]

Description

Please include a summary of the change and specify which issue is being addressed. Additionally, provide relevant motivation and context.

Fixes # (issue number)

Type of change

Please delete options that are not relevant.

• New feature (a non-breaking change that adds functionality)
• This change requires a documentation update

Checklist

• I have made the necessary changes to the documentation
• My changes do not generate any new warnings
• I have added tests to validate the effectiveness of my fix or the functionality of my new feature
• Both new and existing unit tests pass successfully on my local environment by running scripts/test-cov.sh
• I have ensured that static analysis tests are passing by running scripts/static-analysis.sh
• I have included code examples to illustrate the modifications

[CLAassistant]

All committers have signed the CLA.