* Scaffold Azure storage backend that does nothing yet
* Implement copy for Azure Blob Storage
* Set up automated testing for Azure Storage
* Implement pruning for Azure blob storage
* Add documentation for Azure Blob Storage
* Add support for remote path
* Add azure to notifications doc
* Tidy go.mod file
* Allow use of managed identity credential
* Use volume in tests
* Auto append trailing slash to endpoint if needed, clarify docs, tidy mod file
