ORCA implemented for whereami

[theemadnes]

Description

This PR adds optional ORCA response headers when running whereami in the default HTTP/Flask mode via environment variable

Tasks

• [ x] The contributing guide has been read and followed.
• [ x] The samples added / modified have been fully tested.
• Workflow files have been added / modified, if applicable.
• Region tags have been properly added, if new samples.
• [ x] Editable variables have been used, where applicable.
• [ x] All dependencies are set to up-to-date versions, as applicable.
• [ x] Merge this pull-request for me once it is approved.