add descriptor field

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

align prompts

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

feat: support JSON output for attach and push

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

code clean

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

feat: support progress output in `manifest push`

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

add timing

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

make timing prettier

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

bump: update oras version to 1.1.0-rc.1

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

use latest go lib

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

bump: update go and release version (oras-project#895)

Signed-off-by: Billy Zha <jinzha1@microsoft.com>

bump: update version to rc.2 (oras-project#858)

Signed-off-by: Billy Zha <jinzha1@microsoft.com>