Adds support for -
- (1) Declared secrets with the file location.
- (2) Declared secrets with file location, mounted as a different named secret.
- (3) Declared secrets with file location, mounted at arbitrary location.
- (4) External secrets (type=mount), mounted as original secret name.
- (5) External secrets (type=mount), mounted as original secret name, with specified uid, gid and mode.
