* storage: Add MultiCDN storage provider (PROJQUAY-5048)
This storage provider can route to different underlying sub-providers
based on a critiera. Currently supported filters are source_ip and
namespace.
Example Config:
- MultiCDNStorage
- providers:
TargetName1:
- ProviderName1
- porviderConfig1
Targetname2:
- ProviderName2
- ProviderConfig2
default_provider: TargetName1
rules:
- namespace: test
continent: APAC
target: TargetName2
