List blobs with prefix #feature

[fbacker]

Would like to be able to add prefix for listing files.

Example:
Container: MyFiles
Has folders

• MyFolder1
• • File1.json
• • File2.csv
• MyFolder2
• • File1.csv
• • File2.json

Parameters into getMany blob
'prefix (optional)

https://learn.microsoft.com/en-us/rest/api/storageservices/list-blobs?tabs=microsoft-entra-id#uri-parameters

[pregress]

@fbacker Feel free to create a PR, I'll happily merge it