Add deprecate warning for internal image storage

Description

I want to get to the point where we can deprecate internal image storage and unify storage into LeoFS (S3). As a first step into this direction a warning banner at the top of the page warning users that the internal storage will be deprecated over the next few releases.

Environment

None

Status

Assignee

Heinz N. Gies

Reporter

Heinz N. Gies

Labels

None

Components

Fix versions

Affects versions

Priority

High
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